We manufacture larger diameter, high strength screws and fasteners and HV grade hot dip galvanized fasteners. We are India's largest large diameter of bolts and  nuts manufacturer and fasteners for leading contractors and consultants undertaking  projects in India, USA, Europe, Asia, Africa and Middle East in the energy, renewable energy, wind and infrastructure sectors. We are also a specialized in stainless steel hex bolts, nuts, studs and washers  used in water treatment, waste water treatment, sewage treatment,  desalination plants etc. We have different type of grade as per ISO 898-1:2013, in 8.8, 10.9, 12.9, A2-70, SS 316, SS 316L, SS316 S31, B7, L7, 8M, B8 etc.

Bigboltnut's rich history, advanced manufacturing facility, and wide range of offerings make us a top-rated bolts, nuts and washer manufacturer in India. Whether you need products for power, energy, marine, or any other industry, Bigboltnut is your one-stop solution. Our commitment to quality and excellence ensures that our customers always receive best-in-class products.