Hammer Drive Rivets Sizes

Hammer drive rivets, also known as U-drive screws or hammer drive screws, are a type of blind rivet designed for creating quick, secure, and permanent fastenings in various materials. They are installed by driving the ribbed or splined shank into a pre-drilled hole, causing the end of the rivet to expand and create an interference fit.

Common Sizes of Hammer Drive Rivets

Sizes are usually specified by shank diameter, grip range (material thickness they can fasten), and head type. Here's a breakdown of typical sizes:

Shank Diameter Grip Range Head Diameter Length Common Use Cases
1/8" (3.2 mm) 0.0625" – 0.125" ~0.25" 0.25" – 0.5" Light-duty metal or plastic trim
5/32" (4 mm) 0.125" – 0.25" ~0.31" 0.5" – 0.75" HVAC panels, enclosures
3/16" (4.8 mm) 0.25" – 0.375" ~0.375" 0.75" – 1" Industrial covers, signs
1/4" (6.4 mm) 0.375" – 0.5"+ ~0.5" 1" and up Heavier-duty panels, cladding

Materials Available

  • Aluminum (common, lightweight)
  • Stainless steel (corrosion-resistant)
  • Nylon or plastic (non-conductive or lightweight applications)

Head Types

  • Round head
  • Countersunk head
  • Truss head

For more information, read《Hammer Drive Rivets Guide

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