Standard & Other names: HSFG Nut, Heavy Hex Nuts, Hex Nuts, IS 6623 Nut, High Strength Structural Nuts, HSFG BOLT/Nut & Washer, EN14399-4 Nut, BSIII Rev 7 HSFG Nut, HR Nut, HV Nut, 8 Grade Nuts, 10 Grade Nuts, Zink Flake Coated Nuts, ISO 4032

New Star Industries is among the leading Heavy Hex Nuts Manufacturers in India, supplying high-strength structural nuts for critical engineering applications. Our heavy hex nuts are manufactured in sizes from M12 to M36 and conform to EN 14399-3, IS 6623, and ASTM A563 standards. Produced in grades 8 and 10, these nuts are designed for use in high-strength friction grip (HSFG) bolting systems. Commonly used in bridges, steel structures, and infrastructure projects, our heavy hex nuts offer excellent load-bearing capacity, dimensional accuracy, and durability, with optional zinc flake coatings for enhanced corrosion protection.