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Self Drilling Anchor

Based on the design of rock drilling tools, the optimized designs of bit improve drilling efficiency. Apply good quality material, with good tensile stress and elongation, the rod has more reasonable centre hole for well grouting. Self-drilling anchor fasteners have two performances :one is drilling ,the other is grouting. Anchor can be installed with Hex Bolts, Stud and Hook bolt, etc., After installation, concrete will not be effected in appearance as a rise on the surface. Self Drill anchor is an improved expansion anchor with internal thread and a plug, and is the most popular anchor.