BigBoltNut is manufacturer of high tensile bolts and nuts in India. Our bolts comes in sizes from M-24 to M-64 in 8.8 and 10.9 grade. These bolts are used in energy sector like wind, solar, thermal and hydro energy. We are a biggest manufacturer for larger diameter high tensile bolts & nuts in India. These bolts & nuts are manufactured only by hot forging process and we have the complete list of machines in our factory to manufacture these bolts & nuts.