We are manufacturer of flat washers with different standard(like DIN,JIS,NFE,USS,SAE ... according to customers' drawing or samples.QILE METAL mainly produce flat washers, spring washers, stamping parts, nut, screw and other mechanical ... A2A4DIN125A DIN9021 DIN7349 M30.87 1.16 M31.41 2.03 M31.35 2.20 M41.50 2.20 M42.36 ... .10 475.35 M39450.48 707.90 M42649.35 974.03 flat washer