Different kinds of Washers 1.Name: Flat Washer(Spring,Bevel) 2.Material:carbon steel,Stainless steel,etc. 3.Finish:Zinc Place of Origin: Jiangsu China (Mainland)suBrand Name: PridametalModel Number: all kinds of washer Standard: ASTM USS or SAE, DIN, JIS, ISO, AS,BS...Size: #6 - 3"(M3-M80)Material: Carbon steel;Stainless SteelFinish: Zinc plated,HDG,BlackColor: White;Yellow;BlackOther flat washer ...