Carbon Steel Bolts and Nuts 1.Standard:ANSI, DIN, AS, BS and etc 2.Material: ... Stainless Steel or Carbon Steel Carbon Steel Bolts and Nuts Product Description: 1. Material: Stainless Steel or Carbon Steel2. Head ... , DIN571, A-10, A-6, ISO4014, ISO4017, etc8. Production Processing: Cold forged or Hot forged9. Surface: Whited, Plain, Zp, HDG and ...