All Kinds of Special Screws

Commonly used materials

Carbon steel: chromium-molybdenum alloy steel (50B30, 60B30), medium carbon steel (SCM440/ 4140, SCM435, S35C, S45C, 1045, 1541), low carbon steel (1010, 1018, 10B21, S20C).

Stainless steel: 300 series stainless steel (chromium-nickel austenitic) (304, 316), 400 series stainless steel (ferritic and martensitic) (410, 430).

Copper: copper alloy, bronze alloy, silicon bronze alloy.

Aluminum: 1070, 2024, 6061, etc.

 Main product customization :Double threaded bolt . SQUARE WASHER head bolt . T-HEAD with drilling hole  RIVET . DOUBLE HEAD SCREW . special Diamond Washer head screw  . Special cross head screw. special Spoon Rivet. special double head Rivet . Special square head with groove  screw. SECTION External torx head TAPPING SCREW .etc.