Detailed Product Description Bolt:1. Material: Mild steel; Stainless stell; Brass 2. Finish: Self-color, black finish, Phosphate, electric and mechanical zinc plating, H.D.G.; Nickel plating, chrome plating, brass & antique bronze plating, black zinc plating; Dacromet, Ruspert, Delta Tone, geomet etc. 3. Size: M1 - M68 4. Standard: ANSI, JIS, DIN, BSW...