Heerka DIN, ASTM/ANSI JIS EN ISO, AS, GBHeerka Birta: 4/6/10/12 SAE: Gr.2, 5, 8;Zinc Dhammaystiran (Jaale, Cad, Buluug, Madow), Hop Dip Galvanized (HDG), Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated
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