... Grade 5, grade 8 UNC and UNF7. Standard hex nut, hex jam nut, 8. heavy hex nut, heavy hex jam nut9. ASTM A194 2H, 4, 8, ... HDG, Nickle, Chrome, Dacromet, Cr3+,Cr6+ Other Material Options for hex nut:Stainless Steel SS201, SS301, SS304, SS316Grade A2-70. A4-80In Stock ... Hex Nut Available (below sizes only)M6, M8, M10, M12, M16, M20, M24Goods in Stock for immediately shipment! Both Carbon Steel ...