Carbon Steel Bolts and Nuts 1.Standard:ANSI, DIN, AS, ... Stainless Steel or Carbon Steel Carbon Steel Bolts and Nuts Product Description: 1. Material: Stainless Steel or ... A-6, ISO4014, ISO4017, etc8. Production Processing: Cold forged or Hot forged9. Surface: Whited, Plain, Zp, ... assured and can provide English test report11. Machine: Forged machine, Heat treatment Equipment, Drawing machine, etc12. ...