Lock washers: 1) Size: M3 to M36, No.6 to 1-1/2" 2) Standards: DIN127, JIS B1251&IFI L-9 3) 70C,SUS304 & SUS316 Features:1) Size: M3 to M36, No.6 to 1-1/2"2) Standards of lock washers: DIN127, JIS B1251 & IFI L-93) Material: 70C, SUS304 & SUS316Outer packing: Carton or poly bag + PalletOur company supply lock washers. Lock Washers