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Button Head Socket Cap Screws

What is a Button Head Socket Cap Screw?

A button head cap screw is a cap screw with a button head. Most button head cap screws have hex drives, making them button head socket cap screws.

The allen drive allows the screw to be turned with an allen wrench, meaning button head cap screws can be installed in tighter places than hex cap screws that must be installed with a hex socket or hex wrench.

 The button head spreads the force of the screw over a wider bearing area than a socket head cap screw.

What Do We Sell Online?

Online, U-Turn Fasteners sells button head cap screws that are made to the dimensional standards of ASME/ANSI 1318.3-2002. The material is alloy steel made to ASTM F835. They have a modified fillister head with a hex drive.

Online, we list diameters from ¼” through ½”; however diameters ranging from #00 to 5/8” are readily available.

Button Head Cap Screws usually ship out the same day when ordered by 12:00 PM CST. They will ship from our warehouse or distribution centers located throughout the country.

Other Varieties

U-Turn Fasteners supplies a variety of button head socket cap screws not listed online, including but not limited to the following:

  • Zinc Plated Alloy Steel Button Head Socket Cap Screws made to ASME/ASNI B18.3-2002 that meets ASTM F835. Zinc plating is CR+3.
  • Stainless Steel Button Head Socket Cap Screws made to ASME/ANSI B18.3-2002 in 18-8 Stainless that meets ASTM F879.
  • Tamper Resistant Button Head Socket Cap Screws made to ASME/ANSI B18.3-2002 in ASTM F835 Alloy Steel or ASTM F879 18-8 Stainless Steel.
  • Alloy Steel Button Head Socket Cap Screws with a Nylon Patch or a Nylon Pellet made to ASME/ASNI B18.3-2002 that meets ASTM F835 and IFI 124.

For a quote on any of these varieties or a size not listed online, give us a call or email mricard@uturnfasteners.com