Hex socket head cap screw (partially threaded type)

# Bolts

# ANSI/ASME, DIN, ISO, JIS

A hex socket head cap screw is a type of bolt with an internal hex socket head, tightened using an Allen key.

It is also known as a cap bolt, cap screw, or abbreviated as CAP, featuring high tightening strength and a space-saving design.

The partially threaded (half thread) type means only part of the bolt shank is threaded from the head, while the remaining section is a smooth unthreaded shank.

Applicable standards:

  • JIS B 1176
  • ISO 4762
  • DIN 912
  • ANSI/ASME B18.3

Available Materials

Iron, Stainless Steel, Brass, Aluminum, Resin

Available Surface Treatments

Trivalent Chromate, Trivalent Black Chromate, Hexavalent Chromate, Nickel Plating, Electroless Nickel Plating, Chrome Plating, Black Oxide