we supply all kinds of washer ,standard of as per customer's drawing
1 standard: all kinds of DIN;NFE;ASTM;USS;SAE;FW;AS;refer to the customers' drawing
2.materail;65MN ,mid steel carbon steel ,spring steel,stainless steel ;copper;alloy steel
3: surface; plain black zinc plated(ZP CR+3; ZP CR+6;BZP;YZP;HDG)
chorme-coated;nickel_coated
4 packing;small box;bag;carton (15kg or 20kg or 25 kg) then36 /48/ 60 cartons on a pallet

