1.Name:Stainless steel DIN7980 High collar lock washer 2.Size: M3-M36 3.Grade: SAE,USS,F436 ... :Stainless steel Specification of our washer: 1.NameStainless steel DIN7980 High collar lock washer 2.StandardDIN, IFI, ISO, JIS, AS,BS, EN ... else of washers we can offer? 1.NameFlat washer,Spring lock washer, Square washer,Dished washer,Bevel washer,etc2.StandardDIN, IFI ...