... :GB,DIN,JIS,ANSI DIN125 A flat washer without chamfer for screw up to property class 8.8 Product name Galvanized flat washers ... ,copper,phosphorization, dacromet,cuprodine.Material grade A2,A4, 4.8,6.8,8.8,12.9Color Plain, blue plated, white plated ... ,we take full responsibility for it. superiority Good quality,free for samples. DIN125 A flat washer without chamfer for screw up to property class 8 ...