Fasteners, Hex bolts as per DIN 931, DIN 933, DIN 912 in grades 8.8 , 10.9 , 12.9 Hex nuts as per DIN 934 in grades 8, 10 , 12 Biggest manufacturer of larger diameter hex bolt and fasteners in India, diameter range from M-20 to M-64 in DIN 931 933...