304 A2-70 GB96DIN EN ISO 7093-1 Stainless Steel Flat Machine Washer Plain Washer

304 A2-70 GB96 DIN EN ISO 7093-1 M6 M8 M10 M12 M14 M16 M20 Stainless Steel Flat Machine Washer Plain Washer Flat Gasket Rings. Material: 304 stainless steel. Specification: GB96 DIN EN ISO 7093-1. If the products have problems how to do it?.