... , bronze Standard: DIN/ANSI/JIS/BS/IFI Zinc Plated Carbon Steel Hex Nuts 1. Metric Sizes Regular Supply M5, M6, M8 up ... , Dacromet, Cr3+,Cr6+ Other Material Options for hex nut:Stainless Steel SS201, SS301, SS304, SS316Grade A2-70. A4-80In Stock Hex ... , M16, M20, M24Goods in Stock for immediately shipment! Both Carbon Steel and SS304 A2-70Bulk pack, poly pack, small box, color ...