... , Zinc etc Material:Carbon Steel, SS Tab washers with long tab and wing DIN463Size:M3-M48Grade:A2, A4Finish:Black Oxide, ... are available2) Can be made with different tensile strength, such as A2,A43) Can be supplied with different finish, such as bright, zinc ... plated, black4) Can be made with different standards, sch as ISO, DIN, ANSI, BS and special standard according to the drawingsPacking:bulk ...