Unifix AnkerBolts - Hex Head (3 Products)

A hex flange head self tapping anchor which cuts it's own thread in the base material. Suitable for use in solid concrete, hollow concrete, bricks, dense blocks and most natural stone.
  • Simply drill a hole the same size as the Thunderbolt into the material. Ensure the hole is a little deeper than the bolt to allow for dust - see technical info
  • Remove any loose dust from the hole
  • Screw in the Thunderbolt with a socket wrench. Apply a slight downward pressure to start the self-tapping action, as you would with a woodscrew
  • Tighten the Thunderbolt to secure the fixture in place
  • Job done

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