... Options: Plain, Black, YZP, BZP, HDG, Nickle, ChromeOther Material Options for hex nut:Stainless Steel SS201, SS301, SS304, SS316Grade A2-70 ... (below sizes only)M6, M8, M10, M12, M16Goods in Stock for immediately shipment! Both Carbon Steel and SS304 A2-70Bulk pack ... pack, small box, color box, blister card options Carbon Steel zinc plated serrated Hex Flange Nut