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SELF DRILLING ANCHOR SYSTEM

The Self-drilling Hollow Bar System performs, anchoring and grouting in one step. It allows air and water to freely pass through the bar during drilling to remove debris and then allows grout to be injected immediately after completely covers the entire bolt.

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APPLICATION:

Hollow bar systems are widely used in slop stabilization, soil nailing, foundation for avalanche protection, tunneling, micro piles and so on. It consists of:

  • Hollow Anchor Rod
  • Couplings
  • Anchor Plate
  • Anchor Nut
  • Sacrificial Drill Bit.

DTH drilling tools


Down The Hole Hammer

Ternal-Self Drilling Anchor System

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