... , Zinc etc Material:Carbon Steel, SS Tab washers with long tab and wing DIN463Size:M3-M48Grade:A2, A4Finish:Black Oxide, ... plated, black4) Can be made with different standards, sch as ISO, DIN, ANSI, BS and special standard according to the drawingsPacking ... here is some of our company and equipments and products infos for your reference.Welcome customerized drawings. Tab washers with long tab and wing