Material:Carbon steel Q235B/10B21/35K/45#,stainless teel 304/316/316L Standard:DIN982/DIN982/ISO7043/DIN980V Products:Nylon lock nut/Metal lock nut/Spring Lock Hex Nut/All metal lock nut/Torque Lock Nut Grade:4/8/10/12 Finish:Zinc plating/black oxide/hot dip galvanized Size: From M5-M48 Payment term:30% deposit,70% balance payment before loading OEM:Accept