Roll-fast takes pride in being the largest manufacturer for bigger diameter bolts in India. These headed bolts HV Bolts, High Tensile Bolts, High Tensile Fasteners, Stainless Steel Bolts, Standard Bolts, Structural Bolts, Hanger Bolts, and Timber Bolts & Washer Head Bolts are hot forged bolts and are manufactured on vertical up setter & Down Setter machines. We can offer hex bolts and screws from M-16 diameter to M-100 diameter in metric threads and from 1/2” diameter to 4” diameter in American UNC threads. We manufacture different type of grade as per ISO 898-1 (4.6, 8.8, 10.9 & 12.9), ISO 3506-1 (A1-50, A1-70, A1-80, A2-50, A2-70, A2-80, A3-50, A3-70, A3-80, A4-50, A4-70, A4-80, A5-50, A5-70, A5-80) (SS304, SS 316, SS 316L, SS316 S31), ASTM A194 (B7, L7, 8M, B8, B8M) etc. We offer bolts According to ISO 4014, ISO 4017, DIN 6914, EN 14399-4, Dast 021, BS 3698, ANSI B 18.2.1, ASME B 18.2.1, ASME B18.2.6M, ASTM F1554, ASTM A 449, BS 3692 etc. or as per customer requirement.