STUD BOLTS

  • ASTM A193 B7, B7M, B8 CLASS 1 & 2, B8M CLASS 1 & 2, B16
  • ASTM A320 L7, L7M, B8 CLASS 1 & 2, B8M CLASS 1 & 2
  • ASTM A453 GR 660 CLASS A, B, C