BIG BOLT NUT is an ISO 9001 certified company and has been manufacturing bolts and nuts in stainless steel, carbon steel and alloy steel since 1989. We manufacture bigger diameter bolts and nuts from M-20 till M-72 and in inches and Unc from 3/4" to 3" and we are specialist manufacturers for stainless steel bolts and nuts in SS 304 , SS 316, SS 316L and 316S31 grade for the marine, water and sewage treatment industry. Our manufacturing plant is spread over 40,000 sq. ft area and we are located on the outskirts of New Delhi the capital of India.
Continous research and experience has enabled us to perfect our technique in manufacturing and we give our customers the added advantage of our long history and experience and also our expertise in manufacturing bolts, stud bolts, nuts and washers.
We provide turnkey solutions to customers for their requirement of fasteners which are used in many projects all over the world. Currently our company is manufacturing and exporting bolts & nuts to over 50 countires all over the world, we manufacture bolts and nuts from almost all international grades, like DIN, ASTM, ANSI, BS, JIS, ISO and IS.