Handan Haosheng can make Standard DIN, ASTM/ANSI JIS EN ISO, AS, GB
Steel Grade: DIN: Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: Gr.2, 5, 8;
Finishing Zinc(Yellow, White, Blue)black oxide, Black Hop Dip Galvanized(HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated
Production Process M2-M30:Cold Froging, M30-M100 Hot Forging, Machining and CNC for Customized fastener