... ,JIS,ANSI DIN125 A flat washer without chamfer for screw up to property class 8.8 Product name Galvanized flat washers SpecificationM2 ... ,copper,phosphorization, dacromet,cuprodine.Material grade A2,A4, 4.8,6.8,8.8,12.9Color Plain, blue plated, white plated ... for samples. DIN125 A flat washer without chamfer for screw up to property class 8.8