Hex cap screws
What is hex cap screw?
Hex head screws are high-strength fasteners featuring a six-sided head, designed to be tightened with a wrench or socket. According to the standard of ASME B18.2.1, screws are externally threaded fasteners which insert into the holes in assembled parts, mate with preformed internal threads, forming their own internal threads, and being tightened or released by torquing their heads.
- Flat washer facing under the head that meet specific tolerances as described under ASME B18.2.1-1996.
- They will usually be manufactured by a cold-heading process (large runs of standard sizes) or turned CNC operation.
- A radius under the head at the shank.
- Typically made from carbon steel, stainless steel(A2/A4), or alloy steel.
- Machinery & Automation: Fastening components in machine tools, robots, and screw rods.
- Automotive & Aerospace: High-strength, reliable fastening in high-demand environments.
- Manufacturing: General machinery, appliances, and bicycles

Hex cap screw M10
Hex head screws are high-strength fasteners featuring a six-sided head, designed to be tightened with a wrench or socket. According to the standard of ASME B18.2.1, screws are externally threaded fasteners which insert into the holes in assembled parts, mate with preformed internal threads, forming their own internal threads, and being tightened or released by torquing their heads.