Rivet Shear Strength


2 1758 1725 1748 PTF 1760 0-77 4. Typical ultimate shear and tensile strengths are listed in the catalog. Rivet; Type Open End; Shank Diameter 1/8 Inch; Mandrel Diameter 0. T: 01634 931122 E: [email protected] , incorporated in 1988, specializes in supplying rivets, sex bolts, screws, binding posts, threaded nuts, rivet nuts, and blind rivets. on orders totaling $199 or more, excluding all taxes and fees. Under the Direction of the. They offer greater shear and tensile strength than open-end rivets. Replace S by the shear strength of the metal found in Step 2. The hi-shear rivet was first used on the North American Mustang Fighter -- the Aviation P51C. Hi-Shear Air Driver Assemblies are designed specifically for installing Hi-Lite, Hi-Lok and Hi-Lok/Hi-Tigue Pin and Collar fastener combinations. Shear Strength 1000 lb min; Item Type Rivets; Rivet Type Open End Pop Rivet; Product Code 5150-23615; SKU 183014; Related Items. It is generally accepted that a solid rivet correctly installed is more reliable compared to a blind rivet but considerably more. hole size: rivet dia. Locking feature prevents loosening of mandrel from vibration. Also, not many different lengths are required for different diameters or thicknesses. INTRODUCTION. We can support you with test results for all batches of GOEBEL high strength rivets. At the strength limit state, the provisions of AASHTO LRFD Article 6. Head diameter. If If each rivet is capable of safely transmitting 10 kips in shear,. The highest strength Huck rivet Often used as a replacement for welding, Huck BOM rivets are so strong that one BOM fastener does the work of up to four conventional fasteners. Monroe Aerospace is a stocking distributor of Aerospace and Mil-Spec hardware including solid rivets. Rivet shear and tensile strength: The rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. % alloying elements, proved to be considerably stronger than any other alloy tested. 875 x n π /4 d2 T - for double shear, according to Indian boiler regulations Where, Tmax = Shear strength of rivet, n = number of rivets. 9 - high-strength structural bolts vs. I'm thinking the aluminum rivets would hold up fine. A blind rivet tool (sold separately) with a nosepiece that matches the rivet's diameter is required for installation. COUNTERSUNK Steel Rivet/ Steel Mandrel 3/32 SK32BS SK34BS 102203022 102203042. Shear strength is the maximum force the rivet can withstand as the two parts of the joint tend to slide apart. Closed-end rivets also prevent the passage of vapor or liquid through the placed fastener. Rivets are mechanical fasteners that consist of a smooth cylindrical shaft with a head on one end and tail at the opposite end to the head. Driven shear strength values were at least 15 per cent greater than that typically found for 2024-T31 rivets. The strength comes from the mandrel being locked in place and completely filling the space along the shear plane from the primary through to the secondary side of. 4 mm Thickness SSD54SSBS. Structural Blind rivets offer high strength, wide grip range, and excellent clamp-up force. They also possess high resistance to atmospheric and chemical corrosion. Rivets, upon berng driven up hot as they were at the time, first had the projecting unformed shank. 9 v = 0,5 A is the tensile stress area of the bolt A s f ub is ultimate tensile strength for bolt γ M2. Ps=ultimate shear strength (pounds), Ss=specified shear strength of the driven rivet (psi), A=cross sectional (area of the driven rivet, normally equal to hole cross section (square inch) and N=number of shear planes. Joint strength is also affected by rivet spacing and hole size. This produces complications in that the Shear Stress varies in both magnitude and direction, although in the particular case of rivets, it is not normal to make any allowance for this in the design. Available in close-end, lock and T-shape styles. After removal from cold storage the rivets must be completely driven within. Steel and aluminum; Advantages compared to RIVNUT ® Standard. • Our results prove the feasibility. If it is assumed that each rivet is equally loaded, then the single rivet on the line aa takes one-sixth of the load. Select interlock rivets for situations that require high-strength fastening. Our stainless steel solid rivets are corrosion resistant and offered in different diameters and lengths up to 4-3/4-in. A second objective was to establish the complete load-deformation relationship of the fasteners. To predict failure for the case illustrated as "crushing of plate or rivet" in the "failure modes" picture above. Steel rivets have superior tensile and shear strength compared to aluminum, are less expensive than stainless rivets, but are less resistant to corrosion than either aluminum or stainless. Typical ultimate shear and tensile strengths are listed by diameter and material on pages 5 through 17 of this catalog. Riv-nuts are 24 strong. This calculation is based on assumptions (2) and (3) above. What is the shear strength of a rivet? That depends on the material the rivet is made of. offers the highest shear strength of any fastener and has excellent clamp up force. Calculate the shear stress on the steel rivets when a load of 15000 lb-f is applied. Materials- Choose a rivet that is made of a metal with similar mechanical and physical properties as the materials. Just wondering if anyone used standard non-structural aluminum blind rivets in currently flying Eagles or any ultra lights for that matter and had any obvious issues. Blind rivet technology. Typical ultimate shear and tensile strengths are listed by diameter and material on pages 5 through 16 of this catalog. So hardware store blind rivets don't even begin to compare in strength to solid rivets. T Rivet Wide peel type tail formation High shear and tensile strength Good sheet take-up Stavex® Multi-grip capability Good hole fi ll Retained stem Large blind side bearing area T-Lok® Peel type tail formation for joining wood to metal Use in non-through holes Retained stem Avibulb ® / Avinox® High shear and tensile strength Retained stem. 980 N: Tensile Strength. Joint strength. SOLID RIVETS - Aluminum MS20470 and MS20426 Type A =1100 Soft, Low strength. Shear strength is the force/load on the joints of the plate moving in opposite directions perpendicular to the rivet. Reducing overall drag is the primary reason for using countersunk rivets, and an added benefit is a stronger joint-by dimpling the hole, you add the cross section of the material to the overall strength. Email This Page Download PDF SHEAR STRENGTH: 26000 SINGLE POUNDS PER SQUARE INCH: MC1018. diameter: 3/16" length: 3/16", solid rivet - 100°, flush shear head - monel Have a question If you require a quote on this or any product please visit our quote request page ». A carefully regulated breakoff groove in the self-locking Hi-Lok. Interlock rivets are best if you need increased pull-out and shear strength, such as in structural applications. Aircraft rivets are frequently known as aircraft blind rivets, which are used to assemble panels and skins to the frames of an aircraft fuselage or. Introduction To the casual observer the selection of bolts, nuts, and rivets. What I did was to make up 10 test coupons. Aircraft Rivets for Aerospace Applications and More Rapid Rivet carries a comprehensive selection of aircraft rivets to meet with the needs of fastener distributors, OEMs, and hardware suppliers. Rivet - Idioms by The Free. Blind rivets - Processing tools - DIY supplies. 233 Inch; Head Thickness 0. 2 Rivets Subjected to Shear, 30 3. The bolts are in double shear. We will do it manually by taking moments. Same day shipping on most items. A company that manufactures rivets believes the shear strength (in pounds) is modeled by N(800,50). Hi-Lok is a simple two-part fastener engineered to achieve in one all-purpose system the design features suiting many of today’s aerospace assembly needs. Huck Structural Q-Lok ® The Huck Structural Q-Lok® blind rivet is the perfect fit for light-duty applications that may not require the highest values of tensile and sheer strength or pin retention. High tensile and shear strength. hi-shear® offset rivet sets. In thin or lightweight materials, provides high shear strength, resists pull-through. Hence the Rivet value is 86. Use a carbide tipped spiral masonry drill, same diameter as rivet [6. We have huge range of rivets like solar rivet,open-end rivets etc on offer. (Yield value is based on. A carefully regulated breakoff groove in the self-locking Hi-Lok. Single-Riveted Lap-Joint Formulas for Stress and Strength Design. Rivet Shear Strengths are taken from (MIL-HNDBK-5H, 1998) Table 8. Bolt or Pin In Double Shear Equation and Calculator. Ps=ultimate shear strength (pounds), Ss=specified shear strength of the driven rivet (psi), A=cross sectional (area of the driven rivet, normally equal to hole cross section (square inch) and N=number of shear planes. The load-deformation behaviour of the connections must be known in order to predict the shear capacity of the diaphragm. In the self-plugging type, part of the mandrel remains permanently in the rivet body after setting, contributing additional shear strength to the fastener. Offered in diameters from 1/32” to 1”. 10- studies of the behavior of high-strength bolts and bolted joints. We offer the high-strength Ultragrip Rivet in a variety of sizes and steel, stainless steel and aluminum options. 9 shall apply for determining the resistance of bolts to prevent bolt shear and plate bearing failures. The larger the diameter, the higher the shear and tensile strength, which is due to the thickness and material of the rivet. The compressive failure. If you need that extra strength, use these. RSJ by 3/4" rivets. Dewalt , K. 0 4066 7709 10440 M8 x 1. Designed for structural and similar high strength applications, POP T-Rivets have exceptional pull-up properties and provide tensile strength up to 1100 pounds and shear strength up to 2400 pounds. shear strength 50,000 psi 50,000psi 75,000psi 75,000psi maximum temperature 250°f 250°f 900°f 1400°f minimum rivet shear & tensile strength (lbs. On the drawings; they are designated A4 and A5 and require minimum shear strength of 110 and 180 pounds respectively. 2 3145 2864 3059 RSF 3168 3060 1. All rivets must be sufficiently driven to fill the rivet hole at the shear plane. 3 Shearing of Rivet Thus shear strength is, Fig. Any type of Pull Rivet whose mandrel breaks outside of the shear plane of the mating materials. How Huck Rivets Work? The shear strength of structural blind fasteners is generated by the combined resistance against failure of the pin and sleeve. Joint strength is also affected by rivet spacing and hole size. ASTM specifications for A325 and A490 high-strength bolts are to be tensioned to 70% of the minimum tensile strength. Type A =1100 Soft , Low strength. Determine the total material thickness to be joined; refer to the Grip Range. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. Our Story Our Products Our Quality News My Accounts Contacts. 1/8 1/8 5/32 5/32 5/32 3/16 3/16 3/16. INSTALLATION SEQUENCE. This calculator uses equations of static. 200 Paris Avenue, Northvale, NJ 07647, USA. Wide grip range and double-locking action. Load and Resistance Factor Design Specification for Structural Steel Buildings December 27, 1999 Supersedes the Load and Resistance Factor Design Specification for Structural Steel Buildings dated December 1, 1993 and all previous versions. Due to the way the legs are formed during the installation process, the rivet can grab earlier thus making its range much greater than that of a blind rivet. B- Drill to the base of the manufactured rivet head with a drill one size smaller than the rivet shank and remove the rivet with a punch. Cross section of standard blind rivet breakstem after setting process 4. Nevertheless, the cross-tension strength could still. BULBED CHERRYLOCK® RIVET RIVET SELECTION STRENGTH Minimum ultimate rivet shear and tensile strength (lbs. These structural rivets are targeted toward applications requiring exceptional tensile and shear strength. High-strength blind rivets. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. These high strength rivets with a positive mechanical locking system provide superior holding power. Home | Visit Nucor. 01 SHEAR TENSILE DRILL NO. Shear Strength Rivets shall have ultimate shear loads not less than the minimum ultimate shear loads specified for the applicable size given in the above table. This load corresponds to a shear capacity of 963 lbs per foot. Shear strength test of two MD43BS monel pop rivets in 1/16" 4130 steel. 5% Ext (ksi) Elongation (%) Rockwell B scale Rockwell F scale Rockwell 30T scale Shear Strength (ksi) Torsion Modulus (ksi) Fatigue Strength** (ksi) Ultimate Tensile Strength in Shear (ksi) Section Size (in) Cold Work (%) Flat Products: 1/2 Hard: H02: 61 Typ: 50 Typ: 23 Typ: 70 Typ: 65 Typ: 40 Typ: 0. Tuesday, December 8, 2015. on orders totaling $199 or more, excluding all taxes and fees. Load and Resistance Factor Design Specification for Structural Steel Buildings December 27, 1999 Supersedes the Load and Resistance Factor Design Specification for Structural Steel Buildings dated December 1, 1993 and all previous versions. 10% Discount for 5 lbs of rivets or more (per PN). Margin (m): md =1. The Q Rivet features an interference lock improving strength. 6 x Fy x t x Lw. INTRODUCTION The strength capability of aerospace threaded fasteners is typically specified as a minimum tensile strength or minimum double shear strength in either a standard part or procurement speci-fication. The product also features excellent pull-up capability, provides hole filling and the resultant set. % alloying elements, proved to be considerably stronger than any other alloy tested. They Conform to Procurement Specification NAS1740 and Standards Pages NAS1738 and NAS1739. Any type of Pull Rivet whose mandrel breaks outside of the shear plane of the mating materials. (Zenith CH 200 / 300 aircraft assembled with Avex rivets still look like new after more than two decades, with outside storage. Solid Stainless Steel Rivets from Jay-Cee Sales & Rivet are available in three stainless steel rivet material options and various head styles. The Structure of the Strength of Riveted Joints Determined in the Lap Joint Tensile Shear Test 46 tensile shear testing of the blind rivet joints and rivet for closing up joints in EN AW-5754 aluminium alloy the hole surface was de-forming. Shear Strength Rivets shall have ultimate shear loads not less than the minimum ultimate shear loads specified for the applicable size given in the above table. A company that manufactures rivets believes theshear strength (in pounds) is modeled by N(800, 50). Shear strength of LockBolts vary according to the material strength and minimal diameter of the fastener. Single-Riveted Lap-Joint Formulas for Stress and Strength Design. blind rivet. Rivets made from 2017, 2117, and 7050 aluminum alloy and nickeL-copper alloy can be used and stored at room temperature. Shear strength test of two MD43BS monel pop rivets in 1/16" 4130 steel. In engineering, shear strength is the strength of a material or component against the type of yield or structural failure where the material or component fails in shear. 80 25% ASTM A-36 BHN 119-159 58-80,000 1. High shear & tensile strength Superior holding power (clamp up) Domed Head Pop Rivets - Finish: Plain/Protective Coating: 1/8 3. Although the actual state of stress in a riveted joint is complex, it is customary to ignore such considerations as stress concentration at the edge of rivet holes, unequal division o£ load among fasteners, and nonuniform distribution of shear stress across the section of the rivet and of the bearing Stress between rivet and plate. Shear strength of fine sand is determined by the angularity of the sand particles, the grading of the sand. Any type of Pull Rivet whose mandrel breaks within the shear plane of the material being fastened. (Yield value is based on. For joints riveted from steel to aluminum, the current showed less effect on the tensile-shear strength due to the rivet shank fracture. Ps=ultimate shear strength (pounds), Ss=specified shear strength of the driven rivet (psi), A=cross sectional (area of the driven rivet, normally equal to hole cross section (square inch) and N=number of shear planes. Find out the shear strength of the metal the rivet is made of, by looking it up on Table 2 on "Mechanical Properties of Metals" table. In our catalog you will see rivet sizes notated in the form: 1/8" diameter, 0. HS Rivets High Strength rivet with large blind side expansion for structural applications The POP® HS Blind Rivet is a Domed High Strength structural fastener designed to provide superior shear and tensile strength. • Our results prove the feasibility. strength bolts and rivets, the behavior of individual fasteners is introduced. INTRODUCTION The strength capability of aerospace threaded fasteners is typically specified as a minimum tensile strength or minimum double shear strength in either a standard part or procurement speci-fication. It must be noted that a blind rivet is normally used for lighter structures with thinner section plates. The blind rivets are set with a hand riveter or pneumatic riveter, machined with customized heads (nose piece) - it is easy, fast and quiet. They won't loosen when subjected to vibration and can secure joints with short clamp length. The pin of a Hi-Shear rivet has a thin, flat head on one end and a groove around its shank at the other end. They are specifically designed to provide superior pull out and shear strength. 187: AD 41-43 BS. This additional strength is achieved by using a specially designed mandrel (orange) that is pulled into the rivet (green), creating a double thick wall as shown below. Nuts (SS) (Stainless 304) Hex Nuts NC (Stainless 316) Hex Nut NC (Stainless 304) Hex Nut NF. MR100CG, MR77C, MR55C5, MR33C See full product details. Hi-Shear Blind Fasteners Blind fastener systems can be split into two main categories: blind nuts "BN", and blind bolts "BB". If the rivet holds two parts, it is under single shear; if it holds three sheets or parts, it is under double shear. txt) or view presentation slides online. Interlock rivets are best if you need increased pull-out and shear strength, such as in structural applications. High shear strength, good fatigue resistance. Joint strength. Buy POP AVDEL AD66ABS200 Blind Rivet,3/16 Dia,0. gooseneck adapter for hi-shear® collars & jiffy® rivet sets. G-Bulb® blind rivet GESIPA® has developed a new range of high strength structural blind rivets called G-Bulb® with diameters of 4. Allowing a shear strength of 13. A shear load is a force that tends to produce a sliding failure on a material along a plane that is parallel to the direction of the force. Keep units consistant when performing calculations. 4mm No 4 1/8" 3. Fastens over wide grip range. HS Rivets High Strength rivet with large blind side expansion for structural applications The POP® HS Blind Rivet is a Domed High Strength structural fastener designed to provide superior shear and tensile strength. Upon installation, the large blind side expansion provides vibration resistance and enhances joint integrity. Style, material, diameter and fastener spacing all can be a factor in the ability of a rivet to hold the material. In a closed-end rivet, the mandrel and ball are inside the body. The tooling is compact, lightweight, fast and reliable. In addition, NAS1198 solid rivets are heat treated giving them 90,000 PSI shear strength once fastened. Ultimate tensile strength (N) See Fig. The Effect of Rivet Grip on Ultimate Strength at Four Different Shear-Tension Ratios 25 23. B- Drill to the base of the manufactured rivet head with a drill one size smaller than the rivet shank and remove the rivet with a punch. 550 L,PK250 at Walmart. 8*40mm we have the shortest length. Shipping charges will apply f. For the RLS1/8IP, shear strength is 260 pounds and tensile strength is 310 pounds. The Deutsch rivet consists of two parts, the stainless steel sleeve and the hardened steel drive pin. These modern day pop rivet guns are extremely powerful and very fast. Its all steel construction gives the rivet a suprisingly high shear strength, but it's a combination of excellent bulbing tail formation and radial expansion of the rivet body into the application hole that allows the Avibulb® rivet. 1100 Aluminum closed end rivet body with aluminum mandrel Specifications; Body Material: 1100 Aluminum : Mandrel Material: Aluminum : Body Diam. 233 Inch; Head Thickness 0. 2 1758 1725 1748 PTF 1760 0-77 4. The 2117-T4 rivets are identified by a dimple in the head. The Blind Bolts are available in 112 ksi alloy steel for highest strength and in 95 ksi A-286 stainless steel for corrosion resistance and elevated temperature service. Rivets made from 2024 aluminum aLloy must be soLution heat treated and then stored at a temperature of -10°F (- 23°C), or lower. 012 square inches) can withstand a maximum shear load of 319 pounds. A shear load is a force that tends to produce a sliding failure on a material along a plane that is parallel to the direction of the force. The four rivet holes of 1-1/16" diameter will amount to 4. 2117-T4 Aluminum Alloy. Closed-end rivets are ideal for electric or electronic assembly applications. Occasionally rivets also undergo performance testing for other critical features, such as pushout force, break load and salt spray resistance. Shear strength test of two MD43BS monel pop rivets in 1/16" 4130 steel. The hole surface was deforming until the maximum rivet. c) About what percent of these rivets would you. Bogardus National Advisory Committee for Aeronautics , 1956 - Aerodynamics - 12 pages. Efficiency of a riveted joint is the ratio of its strength (max. Tensile Strength (N) 1200 Shear Strength (N) 800 Nominal Mandrel Dia. Homework Equations The Attempt at a Solution shear force=5sin30 shear force=2. It’s unique push and pull installation design makes them ideal for military vehicles, auto suspensions, high security fencing, rail car assembly and so much more. 6 kip per rivet, or 42. Note 2:** There are 2 values for this parameter. sparweb, bruhn does specify sheet material "24ST, or harder". AEROSPACE THREADED FASTENER STRENGTH IN COMBINED SHEAR AND TENSION LOADING 1. Hover for Qty Pricing. The load applied to a fastener along the joint interface. ; Pietrafesa, L. Testing is recommended before. Rivets are mechanical fasteners that consist of a smooth cylindrical shaft with a head on one end and tail at the opposite end to the head. Joint strength is also affected by rivet spacing and hole size. 0mm No 6 3/16" 4. What is the purpose of refrigerating 2017 and 2024 aluminum alloy rivets after heat treatment?. High-strength rivets are generally available in 18-8 stainless steel, zinc-plated steel and aluminum. The second rivet shears after re-stressing to 370 lbs force. The 350 lb shear strength and 450 lb tensile strength makes them suitable for structural use on interior and exterior applications. Bulb-Tite rivets are designed for the roofing and cladding industry, when set the rivets. Closed-End Rivet (Aluminum Rivet/Steel Mandrel ~ All Aluminum ~ All Stainless). 75726 Huck® Button Head Structural Rivet Magna-Lok 1/4 in. 4mm in steel and A2 stainless steel, to fi t grip ranges from 1. This ratio was established on tension loaded lap joints. Poologanathan, Keerthan & Mahendran, Mahen (2014) Shear capacities of rivet fastened Rectangular Hollow Flange Channel Beams. ppt), PDF File (. 4mm) diameter rivet range with the strength of an 1/4 "bolt Pull-Thru (PT) Sets flush on both sides of the application Closed End Mandrel head retention HS (High Strength) 1/4 "(6. 5% Ext (ksi) Elongation (%) Rockwell B scale Rockwell F scale Rockwell 30T scale Shear Strength (ksi) Torsion Modulus (ksi) Fatigue Strength** (ksi) Ultimate Tensile Strength in Shear (ksi) Section Size (in) Cold Work (%) Flat Products: 1/2 Hard: H02: 61 Typ: 50 Typ: 23 Typ: 70 Typ: 65 Typ: 40 Typ: 0. LockBolts, Pins, Collars High Shear Strength, Locking Pin Collar Bolts. 980 N: Tensile Strength. These joints are designed with consideration of the strength of fasteners. If the rivet holds two parts, it is under single shear; if it holds three sheets or parts, it is under double shear. The 2117-T4 rivets are identified by a dimple in the head. 25 Inch; Head Type Countersunk; Head Diameter 0. General Information about what size of blind rivet to use, what hole size to drill, rivet strengths, types of blind rivets. Rabalais, Christopher P. Upon installation, the large blind side expansion provides vibration resistance and enhances joint integrity. Tearing of the Plate Across a Row of Rivet:. Hi-Shear Blind Fasteners Blind fastener systems can be split into two main categories: blind nuts "BN", and blind bolts "BB". 1 Answer to Rivets. Shear strength test of two MD43BS monel pop rivets in 1/16" 4130 steel. Made from metal and plastic materials such as aluminum, copper, brass, steel, stainless steel and nylon. These high strength rivets with a positive mechanical locking system provide superior holding power. In addition, they require only about one. Since it's a double-shear pin - the force is equally spread across two shear points. Solid shank rivets are the most commonly used fastener in aviation today. After the setting process the breakstem is secured and fixed in the rivet sheath for its entire length (mandrel locking). Steel is the only material choice, but it's available in 3 sizes - 1/8, 5/32 and 3/16. It also has a weatherproof feature and is available in stainless steel for high corrosion resistance. Shear Strength Rivets shall have ultimate shear loads not less than the minimum ultimate shear loads specified for the applicable size given in the above table. If you use the rivet nut use one that is keyed. POP Rivets are available in a range of body styles such as: Break Head Open, Break Stem Open, Closed End, F Series, Grooved, HR (High Retention), LSR (Load Spreading Rivet), MGR (Multi-Grip Rivet), Peel, Removable Rivet, Soft Set, T-Rivet, TVD. Shear strength is the amount of force it takes to break a rivet from the side, and tensile strength is the amount of pull a rivet can withstand without breaking. Let's suppose the member is 12" wide, which will allow a pitch of 3". 051 Inch; Recommended Hole Diameter 0. KEYWORDS Rivet fastened hollow flange channel beams, cold-formed steel beams, shear capacity, direct strength method and experiments. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. Question: A riveted lap joint, having 4 rivets, has to carry a load of 12kN. For example, a material thickness of 0. 2 1758 1725 1748 PTF 1760 0-77 4. Higher tightening torques permit higher preload forces in the joint. The cross-sectional area of each rivet is 262()0. For rivets, this method is limited to rivets having a shank length equal to or greater than 2 d. Single-Riveted Lap-Joint Formulas for Stress and Strength Design. rivet phrase. Our bracelets are on a mission to end Alzheimer's Disease. The blind rivet with a multigrip clamping range and a high tensile and shear strength offers a high resistance to vibrations and a good watertight connection. This additional strength is achieved by using a specially designed mandrel (orange) that is pulled into the rivet (green), creating a double thick wall as shown below. High shear strength is achieved by MEGA GRIP ’s flush break self plugging mandrel. The main principle used by the designers of riveting joints is a shear condition of rivet material. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. 01^2 CSA of rivet=3. NAS1198 series rivets are fabricated from A286 corrosion resistant steel which meets the AMS5737 standard. Use the Shear modulus (G) provided for ASTM_A36 steel. Length possibilities are unlimited. Eventually the pin will wreck off leaving the rivet permanently fixed in position retaining the 2 portions collectively. To determine the average shearing stress in each plane, free-body diagrams of bolt L and of the portion of the bolt located between the two planes is drawn. 1932 Steel Mill Buildings by Milo S. Each of these consisted of two pieces of. Bogardus National Advisory Committee for Aeronautics , 1956 - Aerodynamics - 12 pages. The Effect of Method of Rivet Manufacture and Fabrication on Ultimate Strength at Four Different Shear-Tension Ratios 27 25. In double shear the rivet. High shear strength is achieved by MEGA GRIP ’s flush break self plugging mandrel. T Rivet Wide peel type tail formation High shear and tensile strength Good sheet take-up Stavex® Multi-grip capability Good hole fi ll Retained stem Large blind side bearing area T-Lok® Peel type tail formation for joining wood to metal Use in non-through holes Retained stem Avibulb ® / Avinox® High shear and tensile strength Retained stem. 327) snap head rivets and L. Types of blind rivets include dome head blind rivets, large flange blind rivets, countersunk head blind rivets, break-stem blind rivets, multi-grip blind rivets, low-profile multi-grip blind rivets & closed end blind rivets. c) About what percent of these rivets would you expectto fail below 900 pounds?d) Rivets are used in a variety of applications with vary-ing shear strength. Riveting tools. Univair Aircraft Corporation 2500 Himalaya Road Aurora, Colorado 80011 Toll Free Sales: 888-433-5433 Phone: 303-375-8882. Rivets have no additional finish except for sizes #42 & 44 which are also available painted white. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. The rivet pliers are pushed on to the pin of the rivet and the handles are pulled collectively. edu is a platform for academics to share research papers. The addition of carbon and nitrogen directly impact the strength of stainless steel. scope: Type: This procurement specification covers solid rivets and hollow end rivets made from a corrosion and heat resistant steel of the type identified under the Unified Numbering System as UNS S66286 and of 80 Ksi single shear strength at room temperature. test (N) Failure mode 0-77 3. The joints are completely watertight. The ultimate shear strength of a solid rivet of 4mm dia (assuming a shear strength of about 336 MPa) = 4. The mandrel also fills the body of the rivet to give greater shear strength. Sort by: NAS178-6-6 HIGH SHEAR RIVET $1. For example, a material thickness of 0. High shear strength is achieved by MEGA GRIP ’s flush break self plugging mandrel. Meaning there is a small "tang" on the underside of the top flange of the rivet nut and requires that a notch be filed out on the edge of the drilled hole in steel. This is 3. 707 x a x Lw x fw = 0. Head diameter: 13 mm Body diameter: 4. McMaster rates pop rivets in tensile strength as well as shear strength. 4mm in steel and A2 stainless steel, to fi t grip ranges from 1. 9 v = 0,5 A is the tensile stress area of the bolt A s f ub is ultimate tensile strength for bolt γ M2. Determine the amount shear strain due to this force. 875 x n /4 d2 T—for double shear, according to Indian boiler regulations where, Tmax = Shear strength of rivet; n = Number of rivets. 2) About what percent of these rivets would you expect to fail below 900 pounds? 3) Rivets are used in a variety of applications with varying shear strength requirements. A numerical study of the plume in Cape Fear River Estuary and adjacent coastal ocean. Report an issue with this definition: source: FAA Aviation Maintenance Technician Airframe Handbook (FAA-H-8083-31). Always consult manufacturer's data for the exact specifics. pdf), Text File (. Its features can be utilized for optimum strength and performance in both thick and. Interlock rivets are the most common type of 'structural' or high strength rivet. In single shear the riveted joint is a fastening across two plates. 875 x n /4 d2 T—for double shear, according to Indian boiler regulations where, Tmax = Shear strength of rivet; n = Number of rivets. The Structure of the Strength of Riveted Joints Determined in the Lap Joint Tensile Shear Test 46 tensile shear testing of the blind rivet joints and rivet for closing up joints in EN AW-5754 aluminium alloy the hole surface was de-forming. Length possibilities are unlimited. Replace S by the shear strength of the metal found in Step 2. The joints are completely watertight. Type AD=2117-t4 Medium Strength, 26,000 PSI*. 58764 series. 0 1650 1704 1671 PTF 1660 0-77 4-8 1446 1485 PTF 1523 1-5 3. ati134 series, hi-shear® tool. Hi-Shear Air Driver Assemblies are designed specifically for installing Hi-Lite, Hi-Lok and Hi-Lok/Hi-Tigue Pin and Collar fastener combinations. Rivet Strength Chart Tensile Shear. 5 ksi, a load of 10. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. Rivet - Breakstem, Open Ended Standard Nail Rivets; Rivet - Closed End, Sealed; Rivet - Drive Rivet; Rivet - Push; Rivet - Self Piercing Rivet; Rivet - Solid, Semi-Tubular; Rivet - Structural with High Shear Strength, Locking Pin Collar Bolts & Systems; Speed Rivet; Speed Rivet - Briv®, Chobert ®, NeoSpeed®, Rivscrew® Tooling and Accessories. High shear strength High controlled clamp. Analysis and load rating of historic, riveted steel structures typically requires an assumption of rivet shear strength. Cherry Q Rivet mandrel plugs the entire length of the rivet sleeve, providing full shear strength values for structural or load-bearing applications. Follow the following steps: (a) Strength based on yielding in the gross section (b) Strength based on tensile fracture (c) Strength based on block shear failure (d) Weld strength. Mandrel: Aluminum Alloy 7178, 7075, 5056 or 2024 or equivalent alloy. SHEET THICKNESS Tension RIVET RIVET Strength DIA. is equal. Ideally, a joint should be designed so that it will fail in shear rather than in bearing, because a shear failure involves only replacement of the rivet or the bolt. Email This Page Download PDF SHEAR STRENGTH: 26000 SINGLE POUNDS PER SQUARE INCH: MC1018. See more ideas about Fasteners, Cherry and Shear strength. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. On the installation, a riveter places a rivet in a pre-drilled hole, and the tail is set, or bucked (i. The second rivet shears after re-stressing to 370 lbs force. The tool is actuated and the jaws of the power operated or manual riveting tool grips the mandrel of the rivet. com Guide to Shear Strength of. 4 Steel Rivets 5 Design Information www. The Blind Bolts are available in 112 ksi alloy steel for highest strength and in 95 ksi A-286 stainless steel for corrosion resistance and elevated temperature service. Interlock rivets work great for closing big gaps and preventing sheet movement. The end of the rivet is sealed. • Maximum shear stress on rivet • Shear stress on rivet Figure 9: Maximum Shear Stress on Rivet Figure 10: Shear Stress on Rivet CONCLUSION The results obtained from ANSYS (Workbench) software for the various types of riveted lap joints are shown in following Table 2. SIGN UP TO OUR. 40 per rivet for steel or $0. Shear stress is a kind of stress that acts parallel or tangential to the surface. In thin or lightweight materials, provides high shear strength, resists pull-through. Margin (m): md =1. 330127kn CSA of rivet=pie x 0. After removal from cold storage the rivets must be completely driven within. Margin (m): md =1. Testing is recommended before. 3 Shearing of Rivet Thus shear strength is, Fig. NAS1198 series rivets are fabricated from A286 corrosion resistant steel which meets the AMS5737 standard. Structural. 5% Ext (ksi) Elongation (%) Rockwell B scale Rockwell F scale Rockwell 30T scale Shear Strength (ksi) Torsion Modulus (ksi) Fatigue Strength** (ksi) Ultimate Tensile Strength in Shear (ksi) Section Size (in) Cold Work (%) Flat Products: 1/2 Hard: H02: 61 Typ: 50 Typ: 23 Typ: 70 Typ: 65 Typ: 40 Typ: 0. Strength / Mechanics of Materials Beam Deflection & Structural Analysis. Shear is 75 % of tensile strength of steels. Looking at the engineering data, these rivets have a shear strength of 950 pounds which is more than twice the strength of a typical aluminum pop rivet of the same size. The specimens were similar to those used by the Royal Aeronautical Establishment (ref. hole size: rivet dia. The installed rivet can be readily identified by the presence of the attached collar rather than the ordinary formed head of the standard rivets Use Hi-shear rivets in shear applications only As the shear strength of the steel is considerably greater than either the shear bearing strength of aluminum alloys, these special rivets are used to. A driving anvil to ensure a visible mechanical lock with each fastener installation. MEGA GRIP. Double shear definition is - simultaneous shear across two usually parallel planes (as when a rivet passes through three thicknesses of metal). The load applied to a fastener along the joint interface. jaws of the rivet gun are provided on the stem end that. Cherrylocks - the center stem is locked into place with a lock ring resulting in shear and bearing strengths that are high enough to allow them to be used for solid shank rivets. 0mm No 6 3/16" 4. 3 Ps = n π /4 d2 Tmax for single shear, Ps = 2 x n π /4 d2 Tmax - theoretically in double shear and Ps = 1. locking collar stem rivet head rivet sleeve shear ring sheet gap bulb head is formed below minimum grip rivet head firmly seated shear ring guarantees blind side bulbed head locking collar is now ready to be inserted blind side bulbed head maximum grip illustrated 1. The locking occurs during the riveting process when the mandrel has traveled the full length of the rivet body. CherryMAX® rivets are used in thin sheet applications and for use in materials that may be damaged by other types of blind rivets. strength of pushout spe- cimens have been carried out by[8]. Adhesives tend to have high shear strength. test (N) Failure mode 0-77 3. RSJ by 3/4" rivets. Strength of Materials 4th Edition by Pytel and Singer Problem 115 page 16. gooseneck adapter for hi-shear® collars & jiffy® rivet sets. In addition, they require only about one. Drive the pin just flush with. BULBED CHERRYLOCK® RIVET RIVET SELECTION STRENGTH Minimum ultimate rivet shear and tensile strength (lbs. Prices below are for 1lb. (d) 4 Shear Strength. Rivet machines are the best choice for riveting rivets in a factory setting, and rivet guns are ideal. shear, and index. Abstract A limited series of tests has been carried out on single and double shear riveted joints using 1469 (D. Since you have mild steel rivets, the 60,000 tensile number is good Therefore the rivet will shear at 45,000 The cross-sectional area of a 3/32 rivet is (Radius Squared x Pie or )=. These two pieces were overlapped by 1. Rivets have no additional finish except for sizes #42 & 44 which are also available painted white. This rivet is primarily used in nut plate applications and meets the torque-out and push-out requirements of NASM25027 for nut plates. ) and allowable shear (F v) of the 1925 F rivets. Question: A riveted lap joint, having 4 rivets, has to carry a load of 12kN. Shear strength test of two MD43BS monel pop rivets in 1/16" 4130 steel. Since you have mild steel rivets, the 60,000 tensile number is good Therefore the rivet will shear at 45,000 The cross-sectional area of a 3/32 rivet is (Radius Squared x Pie or )=. Figure 3-4. SAE bolt torque and strength specification. The specimens were similar to those used by the Royal Aeronautical Establishment (ref. Shear strength is the amount of force it takes to break a rivet from the side, and tensile strength is the amount of pull a rivet can withstand without breaking. Both Avibulb® and Avinox II® Rivets offer high strength with a large blind-side footprint for use in thin sheet or brittle material applications. These are functions of total joint strength, fastener spacing, rivet body material, and rivet diameter. COUNTERSUNK Steel Rivet/ Steel Mandrel 3/32 SK32BS SK34BS 102203022 102203042. The Structure of the Strength of Riveted Joints Determined in the Lap Joint Tensile Shear Test 46 tensile shear testing of the blind rivet joints and rivet for closing up joints in EN AW-5754 aluminium alloy the hole surface was de-forming. Keep units consistant when performing calculations. High shear strength is achieved by MEGA GRIP ’s flush break self plugging mandrel. com Abstract In this paper, Aluminum alloy and the Alumina particle has been chosen as a matrix and reinforcement material, respectively. Shear connectors on the top flanges of the steel girders provide the means to achieve composite action between the slab and the girders, thus increasing both stiffness and strength. Shear Strength 120 lb min; Item Type Rivets; Rivet Type Open End Pop Rivet; Product Code 5150-1195; SKU 132003; Related Items #30 Cobalt Drill Bit Heavy Duty Wire. in order to accommodate heads of the rivets. Aluminium rivets are lighter than bolt and screws. The strength of a riveted joint in sheet metal is often determined, not by the shear strength of the rivet, but by the shear strength of the material of the riveted-together parts. It’s unique push and pull installation design makes them ideal for military vehicles, auto suspensions, high security fencing, rail car assembly and so much more. This ratio was established on tension loaded lap joints. Its features can be utilized for optimum strength and performance in both thick and. strength characteristics. In case of shear of the riveting joints, the rivet material determines the strength of joints. These rivets are used in high vibration applications and provide a weather-resistant joint for further protection in both metals to metal and metal to. The tensile strength of LockBolts is dependent on the shear resistance of the collar material and the number of grooves it fills. Type B =5056-H32, for magnesium Alloys, 24,000PSI. Blind rivet technology. Report presenting static single shear tests of 3/16-inch-diameter 2117-T4 (A17S-T4) aluminum-alloy rivets at elevated temperatures. Univair Aircraft Corporation 2500 Himalaya Road Aurora, Colorado 80011 Toll Free. Avdelok rivets. b) Would it be safe to use these rivets in a situation re-quiring a shear strength of 750 pounds?. High shear strength Join composite panels to metal Leak resistant High speed installation. They are also known as snap-off screws, break-away screws, break off screws and break-away head screws. 980 N: Tensile Strength. The strength of a riveted joint in sheet metal is often determined, not by the shear strength of the rivet, but by the shear strength of the material of the riveted-together parts. Calculate the shear stress on the steel rivets when a load of 15000 lb-f is applied. The blind rivets are set with a hand riveter or pneumatic riveter, machined with customized heads (nose piece) - it is easy, fast and quiet. The SBS series is ranked #3 in both shear and tensile strength in the open end blind rivet category. This product line is available in a range of ¼" (6. Structural & Specialist Rivets. improvements have been proposed for the design rules of shear strength of rivet fastened RHFCBs within the Direct Strength Method format. Fastens over wide grip range. Free Next Day Delivery. 005" offset for 1/8, 5/32 and 3/16,. Click here to start shopping. Shear stress is a kind of stress that acts parallel or tangential to the surface. Type A =1100 Soft , Low strength. The shear and tensile strength of the rivet selected and the number of rivets used in the application should equal or exceed the joint strength requirements. Type B =5056-H32, for magnesium Alloys, 24,000PSI. Q-type rivets are used in applications that require shear strength greater than that provided by N-type rivets. High shear strength Join composite panels to metal Leak resistant High speed installation. txt) or read online for free. Diameter, Aluminum Body/Aluminum Mandrel, Grip Range 0. Diameter selection is based on space, strength, and material thickness. Determine the amount shear strain due to this force. In addition, Arconic Fastening Systems can paint colors to match, as well as anodize or plate to your specifications. The tool is actuated and the jaws of the power operated or manual riveting tool grips the mandrel of the rivet. The full text of this article hosted at iucr. What is the safety factor for this joint. Riv-nuts are 24 strong. 2 3145 2864 3059 RSF 3168 3060 1. This design provides good clamp up and excellent hole filling characteristics, in an inexpensive rivet. A shear load is a force that tends to produce a sliding failure on a material along a plane that is parallel to the direction of the force. High shear strength, good fatigue resistance. c) About what percent of these rivets would you expectto fail below 900 pounds?d) Rivets are used in a variety of applications with vary-ing shear strength. Replace S by the shear strength of the metal found in Step 2. 4 mm •Highest mechanical. Ps=ultimate shear strength (pounds), Ss=specified shear strength of the driven rivet (psi), A=cross sectional (area of the driven rivet, normally equal to hole cross section (square inch) and N=number of shear planes. 1/4" dia - all aluminum interlock high strength rivet, protruding head with a. 1 This test method covers the double shear testing of aluminum and aluminum alloy rivets with round, solid shanks and cold-heading wire and rod. Heavy- duty applications, such as agricultural "equipment, require much greater shear and tensile strength. Determine the amount shear strain due to this force. To determine the average shearing stress in each plane, free-body diagrams of bolt L and of the portion of the bolt located between the two planes is drawn. Typical ultimate shear and tensile values of Klik-Fast rivets are listed by rivet body diameter and alloy. 4mm) diameter domed head steel and aluminum materials. The CherryMAX® rivet is the most reliable, high strength structural fastener with visual inspectability in the world today. This additional strength is achieved by using a specially designed mandrel (orange) that is pulled into the rivet (green), creating a double thick wall as shown below. Diameter selection is based on space, strength, and material thickness. grade 40 cc series stainless rivet / stainless mand. Interlock rivets work great for closing big gaps and preventing sheet movement. Determine the diameter of the rivets if their material has an ultimate shear strength of 250MPa. Length possibilities are unlimited. High-strength blind rivets. Resistance in shear in one shear plane M2 v ub v, Rd A f F where the shear plane passes through the threaded portion of the bolt - for classes 4. 4mm) diameter rivet range with the strength of an 1/4 "bolt Ultra-Grip ® (UG). T-Rivets High clamp up, high shear strength, creates a wide bearing surface. Use the Shear modulus (G) provided for ASTM_A36 steel. Due to the way the legs are formed during the installation process, the rivet can grab earlier thus making its range much greater than that of a blind rivet. Heavy- duty applications, such as agricultural “equipment, require much greater shear and tensile strength. I'm assuming the value for the rivnut is shear or tension strength and the value for the surrounding metal is bearing strength. The shear strength of bolts is taken as approximately 60% of the tensile strength. The second rivet shears after re-stressing to 370 lbs force. Tensile strength of rivets in thin sheet materials TABLE 2 Test Results for Protruding Head Rivets in 2024-T3 Sheet Material 139 Rivet tensile strength t (mm) D (mm) Test (N) Avg. They have a shear strength of 26,000 PSI and a tensile strength of 38,000 PSI. To predict failure for the case illustrated as "crushing of plate or rivet" in the "failure modes" picture above. Pauls Engineering College, Villupuram, Email:[email protected] Rivets made from 2024 aluminum aLloy must be soLution heat treated and then stored at a temperature of -10°F (- 23°C), or lower. In order to design boiler joints, a designer must also comply. , deformed) with a rivet gun, rivet tool or pneumatic hammer so that it expands to about 1. NAS1198 series rivets are fabricated from A286 corrosion resistant steel which meets the AMS5737 standard. Grooved blind rivets alu/steel dome head 3. ivgo is defined as the average nominal shear stress at the time the first rivet fails and ~,isthe average shear strength of a single rivet of the same lot. Benefits of the Emhart Pop Rivets: High shear & tensile strength. Static Shear Strength of 2117-T4 (A17s-T4) Aluminum-alloy Rivets at Elevated Temperatures, Issue 58, Volume 77 W. Efficiency of a riveted joint is the ratio of its strength (max. AN470 (MS20470) AN426 (MS20426). Dimensions are provided in inches. In the Assembly Instructions. The main principle used by the designers of riveting joints is a shear condition of rivet material. When a paper is cut with scissors, the paper fails in shear. COUNTERSUNK Steel Rivet/ Steel Mandrel 3/32 SK32BS SK34BS 102203022 102203042. The strength comes from the mandrel being locked in place and completely filling the space along the shear plane from the primary through to the secondary side of. Structural blind rivets, also known as Interlock Style Rivets, have a permanently retained mandrel, hole filling, multi-grip and are high strength providing increased shear and tensile values. Aluminium rivets are lighter than bolt and screws. barrel length. weight of a bolt. The 350 lb shear strength and 450 lb tensile strength makes them suitable for structural use on interior and exterior applications. strength characteristics. Due to the filling of the clinched joint with the ClinchRivet®, the strength of the joint increases considerably, and especially the shear strength. 2) About what percent of these rivets would you expect to fail below 900 pounds? 3) Rivets are used in a variety of applications with varying shear strength requirements. 01 SHEAR TENSILE DRILL NO. Use that force, the shear strength, and the equation for area of a circle (since it's asking for diameter, we assume the pin's cross-section is a circle) that has diameter in it. a) Draw and label the Normal model. Single Shear: 1/8 AD rivet = 7/32 hole #5 rivet upset = 15/64 hole Rivet Layout Patterns Rivet repair strength affected by Strength. The cost is considerably different as stainless checks in at about $1. We will do it manually by taking moments. sparweb, bruhn does specify sheet material "24ST, or harder". The Avdel Q Rivet structural breakstem fastener has a high shear and tensile strength. For more information, use the chart below, or call us today! AN470 rivet Supersedes AN430 rivet, AN442 rivet, AN-455 rivet & AN456 rivet In Most Applications. Hi-Lok is a simple two-part fastener engineered to achieve in one all-purpose system the design features suiting many of today’s aerospace assembly needs. 1) Would it be safe to use these rivets in a situation requiring a shear strength of 750 pounds? Explain. , Single Shear Strength (Lbs. in order to accommodate heads of the rivets. Orders must ship FedEx Ground Parcel Prepaid. AEROSPACE THREADED FASTENER STRENGTH IN COMBINED SHEAR AND TENSION LOADING 1. EZ to feed and insert into the hole using automation due to the Rivnut® EZ 15° tapered shank. 2117-T4 Aluminum Alloy. What is the maximum. Masterfix has several high strength rivet options to select from. If the rivet holds two parts, it is under single shear; if it holds three sheets or parts, it is under double shear. A company that manufactures rivets believes theshear strength (in pounds) is modeled by N(800, 50). Like other…. Abstract A limited series of tests has been carried out on single and double shear riveted joints using 1469 (D. Step 3 Calculate the shear strength of your rivets by evaluating this formula: F = A x S. 032 130 170. Shear strength is the amount of force it takes to break a rivet from the side, and tensile strength is the amount of pull a rivet can withstand without breaking. 6 Fy x area of base metal subjected to shear where, Fy is the yield strength of the base metal. Looking at the engineering data, these rivets have a shear strength of 950 pounds which is more than twice the strength of a typical aluminum pop rivet of the same size. This free online Bending Moment calculator is developed to provide a software tool for calculation of bending moment and shear force at any section of simply supported beam (without overhangs) subjected to point load, uniformly distributed load, varying load and applied moments on the span or supports. Closed-end rivets also prevent the passage of vapor or liquid through the placed fastener. Marson Rivets Klik Fast® Specialty Rivets. test (N) Failure mode 0-77 3. Rivets, rivet setting machines and fasteners 1 - 2 George Baylis Road, Berry Hill Industrial Estate Droitwich, Worcestershire WR9 9RB TEL: 0845 078 0333 FAX: 0845 078 0334 [email protected] The calculation is intended for the geometrical design and strength control of statically loaded welded connections of machine structures manufactured from carbon steels. KEYWORDS Rivet fastened hollow flange channel beams, cold-formed steel beams, shear capacity, direct strength method and experiments. Meaning there is a small "tang" on the underside of the top flange of the rivet nut and requires that a notch be filed out on the edge of the drilled hole in steel. With its positive mechanical locking system, the POP Ultra-Grip® Rivet provides a secure hold for each application and prevents head drop out to avoid contamination. Copper Rivet Distillery Pump House no. Shear strength is the maximum force the rivet can withstand as the two parts of the joint tend to slide apart. The pull-type rivet is available in two configurations: a self-plugging type and a pull-through type. solid small rivets under 7/16 inch diameter 2-3 solid large rivets 1/2 inch diameter and over 4-5 rivet burrs 5 quality standards & data 6-7 aluminum rivet head styles 8-9 aluminum rivet data 10 tinners rivets 11 copper belt rivets & burrs 11 semi-tubular rivets 12-13 brake & clutch rivets 14. The AASHTO Manual for Bridge Evaluation (MBE) provides rivet shear strengths based on the year of construction; however, the values provided are more conservative than legacy test data. Hemlok® Rivets offer high strength with a large blind-side footprint for use in thin sheet or brittle material applications. Our Story Our Products Our Quality News My Accounts Contacts.