Siddhagiri Metals & Tubes are the ISO metric and Unified threaded ASTM A193 Grade B6 Stainless Steel Bolts manufacturer In India. We provide a wide range of ASTM A193 B6 Stud Bolts, ASTM A193 Gr B6 Hex Bolt, ASTM A193 Grade B6 Bolts, and many more in one place. Visit now for more detailed information!All Rights Reserved