Shop Bay Supply for the Hemlok® rivet by Avdel. These high clamp breakstem rivets are designed to provide an exceptionally strong joint for thin and soft materials. Along with unrivaled tensile and shear strength, the Avdel Hemlok® is vibration-resistant and has high resistance to pull-out loads. Available in steel or aluminum, the Avdel Hemlok® breakstem rivet will make each installation seamless for guaranteed satisfaction. Browse and purchase your Hemlok® rivets today!
Avdel® Hemlok® Lg. Blind Side Structural Rivet, Unit of Measure: Inch, 1/4 Inch Diameter, 0.250 Inch Decimal Equivalent, 6.35mm Nominal Metric Diameter, 0.132 Inch (3.35mm) Minimum Grip, 0.211 Inch (5.36mm) Maximum Grip, 0.132 - 0.211 Inch (3.35 - 5.36mm) Grip Range, Protruding Head, Steel Body Material, Material Detail: Medium Carbon Steel, Zinc Clear Body Finish, Finish Detail: Zinc Clear Trivalent Passivated, Medium Carbon Steel Mandrel Material, Zinc Clear Trivalent Passivated Mandrel Finish, 0.264 Inch (6.71mm) Minimum Hole Size, 0.272 Inch (6.91mm) Maximum Hole Size, H Drill Size, 0.527 Inch (13.39mm) Head Diameter, 0.105 Inch (2.67mm) Head Height, 0.612 Inch (15.54mm) Body Length, 0.168 Inch (4.27mm) Mandrel Diameter, 2810 lbf. (12.50kN) Shear Strength, 1978 lbf. (8.80kN) Tensile Strength, RoHS Compliant Yes
- All fastener orders are supplied with Certificates of Conformance with packing lists. Additional Documentation such as material test reports may be available upon request (some at an additional charge). Please include your request in the "Order Note" section when submitting your order online. Click here for Quality Assurance & Compliance Documents.
|RoHS 3 Compliant||:||RoHS 3|
|OEM Unit Of Measure||:||Unified|
|Style||:||Lg. Blind Side Structural|
|Body Finish||:||Zinc Clear|
|Material Detail||:||Medium Carbon Steel|
|Finish Detail||:||Zinc Clear Trivalent Passivated|
|Fractional Diameter Size [Unified]||:||[1/4]|
|Head Height [Unified]||:||[.105]|
|Grip Range [Unified]||:||.132-.211|
|Head Height [Metric]||:||[2.67]|
|Tensile Strength Lbf. [kN.]||:||1978[8.80]|
|Grip Range [Metric]||:||3.35-5.35mm|
|Mandrel Finish||:||Zinc Clear Trivalent Passivated|
|Shear Strength Lbf. [kN.]||:||2810[12.50]|
|Fastener Diameter (Nom) [Metric]||:||[6.35]|
|Overall Body Length Incl. Mandrel (Nom) [Unified] mm||:||[.612]15.544mm|
|Mandrel Diameter (Nom) [Unified] mm||:||[0.168] 4.27mm|
|Minimum Grip [Unified] mm||:||[.132] 3.35mm|
|Maximum Hole Size [Unified] mm||:||[.272]6.91mm|
|Maximum Grip [Unified] mm||:||[.211 ] 5.35mm|
|Minimum Hole Size [Unified] mm||:||[.264]6.71mm|
|Head Diameter [Unified]||:||[.525]|
|Head Diameter [Metric]||:||[13.34]|
|Fastener Diameter (Nom) [Unified]||:||[.250]|
The Hemlok® rivet is a high strength, high clamp, structural breakstem rivet. It is available in steel or aluminum construction and the steel version provides the highest shear strength of all Avdel® blind rivets. The Hemlok® rivet relies on a combination of excellent bulbing tail formation on the application blind side and radial expansion into the application hole to create an extremely strong joint. The large blind side footprint creates a load bearing surface, which absorbs the force of setting the rivet. Otherwise the setting force, or clamp load, could spread into the application material and might damage the material. This makes the Hemlok® rivet ideal for use in thin sheet, soft, brittle and low strength materials, as well as resulting in high resistance to pull-out loads. Radial expansion allows the rivet to provide a strong, vibration resistant joint and compensate for irregular, oversized, slotted or misaligned holes. Also, it can stop sheet movement in applications with non-standard holes.The bulbing and expansion characteristics can only be controlled over a narrow range of material thickness and hole diameter. Therefore, the application hole size and grip range must meet the specified ranges to ensure proper installation and performance of the Hemlok® rivet.
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