self-tapping screw: 1)Material: stainless steel, carbon steel 2)standard; DIN, JIS, BSW 3)surface:zinc plated, nickel

self-tapping screw:

1)Material: stainless steel or carbon steel

2)Standard: DIN, JIS. ANSI

3)Size: all size

4)Specification: M8-M36

5)Head style: pan/flat/oval/hexagon/hex washer/ pan washer/ round etc.

self-tapping screw