dealing in all types & Grades of fasteners ( HEX BOLT,NUT, PLAIN WASHER, SPRING WASHER & U BOLT ) i.e. 4.6, 5.6, 8.8 & 10.9 of HDG & Black oxide fasteners as per IS 3757, IS 6623, IS 6649,IS 1367 Part 3, IS 1367 Part 6, IS 1363 Part 2, IS 1363 part 3, IS 1364 Part 2, IS 1364 Part 3, Is 1367 part 13, IS 3063, IS 2016 & ASME standards A 193, A 194 and A