1.own factory and OEM 2.can be heat treatment by ourself. 3.can be finished various of surface as per customer's requirement

Product Description Detail:

1. Material: Carbon Steel, Stainless steel, Aluminium, Brass 

2. Size:  M3 ~ M16 

3. Head: Flat, Pan, Double Flat...etc

4. Length: 16 ~ 400mm.5. Finish:  Plain, zinc plated, galvanized, nickel plated. Black 6. Standard model: DIN, GB, ISO, ANSI, ASME, JIB etc.

7. Pozi #2/#3/#4 Drive