Standard DIN, ASTM/ANSI JIS EN ISO, AS, GB Steel Grade: 4/6/10/12 SAE: Gr.2, 5, 8; Finishing Zinc(Yellow, White, Blue, Black), Hop Dip Galvanized(HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated
Hex nut
Material :carbon steel ,Stainless steel