flat round washer 1)Size:M1.7~M50 2)Material:SUS304,316,Carbon Steel 3)Standard:DIN,IFI,BS,ISO 4)Finish:zinc-plated flat round washer Standard: DIN125, DIN126, DIN9021, DIN433,DIN440, DIN7349, IFI L-2(K-4) , NF E25-513, ASTM F 436Materia: Steel / Stainless Steel / BrassDiameter: M2.5-M48 1/4"-2"Flat Round Washers 1)Size:M1.7~M50 2)Material:SUS304,316,Carbon Steel 3)Standard:DIN,IFI,BS,ISO 4) ...