Categroies:flat washer,square tapper washer,spring washer,high steelwasher,loading washer,fender washer,nuts,nails and stamping parts. Standards:DIN, US, AS,NFE,USS/SAE,ASTM and non-standards. Finish:ZP(YZP,BZP),BLACK,PLAIN,POLISH etc. Materials:Low Carbon Steel,45# Steel,SS304,SS316etc Packing:carton,banded on pallets Payment Terms: L/C or T/T. Samples can be sent to you for free.