Standard DIN, ASTM/ANSI JIS EN ISO, AS, GB
Grade vy: DIN: Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9;SAE: Gr.2, 5, 8;
Famaranana Zinc (Mavo, Fotsy, Manga) okside mainty, Black Hop Dip Galvanized (HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated
Production Process M2-M30: Mangatsiaka Sahona, M30-M100 Hot Forging, Machining sy CNC ho an'ny namboarina fastener