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Self drilling anchor bolts



Diameter: 25-52mm
Inner diameter: 12-30mm
Ultimate Tension: 120-700KN
Bit Diameter: 38-80mm


  • Based on the design of rock drilling tools, the optimized designs of bit improve drilling efficiency.
  • Apply good quality material, with good ensile stress and elongation, the rod has more reasonable centre hole for well grouting.
  • Complete specifications and types are offered to meet the requirement of all kinds of engineering projects.