Big Bolt Nut

About Us

BigBoltNut: Leading Manufacturer of High-Performance Fasteners in India

BigBoltNut is an ISO 9001:2015, 14001:2015, and 45001:2018 certified company based in Sonipat, Haryana, India. Established in 1989, the company specializes in manufacturing high-tensile bolts and fasteners in larger diameters, catering to various industries such as power, renewable energy, wind, and infrastructure. With a manufacturing plant spanning over 40,000 sq. ft., BigBoltNut is recognized as one of India's largest manufacturers of high-tensile and stainless steel fasteners.

Product Range

BigBoltNut offers a comprehensive range of fasteners, including:

1. Headed Bolts: HV Bolts, High Tensile Bolts, Stainless Steel Bolts, Structural Bolts, T Bolts, 12-Point Bolts.
2. Stud Bolts: Full Threaded Stud Bolts, Double Ended Stud Bolts, Reduced Shank Stud Bolts, Blade Studs, Hub Studs, Threaded Rods.
3. Nuts: Hex Nuts, Heavy Hex Nuts, HV Nuts, Hex Lock Nuts.
4. Washers: Standard Washers, HV Washers, Spring Washers, Chamfered Washers.
5. Foundation Bolts: IS 5624 / DIN 529, Foundation Bolts for Windmills.
6. Others: Precision Turned Components.

Manufacturing Capabilities

BigBoltNut's manufacturing process includes:

1. In-house forging and CNC machining.
2. Thread rolling, tapping, and heat treatment.
3. Shot blasting and coating.
4. Mechanical and metallurgical testing.
5. 100% batch traceability and certification.

Applications

BigBoltNut's fasteners are utilized in various applications, including:

1. Wind Farms
2. Solar Thermal Plants
3. Nuclear Power Plants
4. Railways
5. Ship Building
6. Photovoltaic Plants
7. Water Pipelines
8. Sewage and Waste Water Treatment
9. Pumps Valves
10. Petrochemical Industries