Products

Fasteners Manufacturer in China, Bolts Factory, Screws Factory

Types Of Fasteners We Manufacture And Supply

Daosan is a leading bolts, studs and screws manufacturer in China. Since 2006 we have been producing and exporting hex bolts, heavy hex bolts, custom bolts, valve cover studs, high tensile bolts and structural fasteners to customers in more than 49 countries.

  • By Daosan
  • 2026-10-19

Allen Bolts

Allen bolts, also called socket head cap screws, feature a cylindrical head with an internal hex drive and are ideal for machine assemblies with limited access.

  • By Daosan
  • 2026-10-19

U-Bolt

U-bolts are bent to a U shape with threaded legs and supplied with nuts and a plate, used for clamping pipes, cables and round sections.