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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.