Screws Bolts

We are fasteners specialist that produce customized and specialized fasteners.

Self-Drilling TEK Screws

Self Drilling Screwgathers drilling, tapping and tightening at the same time. Self drilling screw’s case hardness and core hardness is higher than self tapping screw. Our self drilling screws all need to pass the drilling test to ensure our screws could drill the hole with the thread within the limitation time. Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing and specifications.


l   Fasteners and screw parts available in all International standards; (ANSI, JIS, DIN, ISO, BS)

l   All material grades available;  
Carbon Steel, Boron, Coreten,  Alloy Steel, Stainless Steel , Aluminum, Titanium,  Brass, Bronze, Copper, Zinc Alloy, Nylon and more.

l   All types of heat and surface treatments available; 
Cr6+ Hexavalent Zinc, Cr3+ Trivalent Zinc (White, Black, Yellow), Black Phosphate, Chrome, Nickel, Dacromet, Geomet, Tin Plating and more