M10 carbon steel flat washer
Flat washer is actually made of high grades of steel. Dry steel flat washers are used to connect dry Allen screws, dry hex screws, and dry metric screws. Dry flat washers in M10 mm size are widely used in industries and are manufactured according to the DIN125 metric standard in the standard machine of Germany. Dry flat washers are produced in sizes M5 to M30 and are placed between the nut and the work piece.