... BZP, HDG, bronze Standard: DIN/ANSI/JIS/BS/IFI Zinc Plated Carbon Steel Hex Nuts 1. Metric Sizes ... UNC and UNF7. Standard hex nut, hex jam nut, 8. heavy hex nut, heavy hex jam nut9. ASTM ... , Cr3+,Cr6+ Other Material Options for hex nut:Stainless Steel SS201, SS301, SS304, SS316Grade A2-70 ... Steel and SS304 A2-70Bulk pack, poly pack, small box, color box, blister card options Zinc Plated Carbon Steel Hex ...