Screw Bolt - Countersunk - Thunderbolt Pro

Countersunk Screw Bolts offer a one piece, high tensile and self-tapping anchor suitable for fastening into masonry and concrete. Screw Bolts generate low expansion forces allowing for close anchor spacing and near-to edge applications, with a countersunk head offering a flush finish to the base material.


  • Metric: Dia M6 - M12 & Lengths 50mm - 150mm
  • Head Style: Countersunk
  • Applications: High tensile screw in bolt for concrete, masonry and timber applications
  • Material/Finish: Galvanised