... : 1. Material: Stainless Steel or Carbon Steel2. Head mark: OEM3. Dia: 1/4-1" (ANSI), M5-M36(DIN)4. Length: 5/8 ... . Grade: A2, 4.8-12.9 or 2-86. Standard: ANSI, DIN, AS, BS and etc7. Example: DIN912, DIN931, DIN933, DIN571, A-10 ... Hot forged9. Surface: Whited, Plain, Zp, HDG and Black zp, Chromed10. Quality: Approved and assured and can provide English test report11. Machine: Forged machine ...