1.Name:DIN9021 Stainless steel flat washers 2.Size: 2.7"-39" 3.Grade: SAE,USS,F436 ... steel Specification of our washer: 1.NameDIN9021 Stainless steel flat washers 2.StandardDIN, IFI, ISO, JIS, AS,BS, EN, SAE,ASTM3 ... box, then pallet or wooden case10.CertificateISO9001:2008What else of washers we can offer? 1.NameFlat washer,Spring lock washer, Square ...