BIG BOLT NUT is an ISO 9001 : 2000 Certified Company. The Company was set up by Mr. Kapil Aggarwal in the year 1989. br br We manufacture complete range of Stainless steel fasteners in A2, A4, SS 304 and S 316, Our Stainless steel fasteners stocks are readily available and we are manufacturing fasteners in India from M-12 to M-72 diameter. Our customers are worldwide and are in Middle East also.