Standard DIN, ASTM/ANSI JIS EN ISO, AS, GB
Karfe Grade: DIN: Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9;SAE: Gr.2, 5, 8;
Ƙarshen Zinc (Yellow, White, Blue) Black oxide, Black Hop Dip Galvanized(HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated
Tsarin Samar da M2-M30: Cold Froging, M30-M100 Hot Forging, Machining da CNC don Maɓalli na Musamman