Whirlwind USA provides premium grade wet concrete diamond turbo core drill bit with 14 inch tube length with serrated segments that contain high concentrations of top quality diamonds. It is designed for delivering the highest performance and long life at an affordable price. A single notch in the segment gets the bit drilling fast and helps reduce drag in reinforced concrete. This core drill bit is optimized for a wide range of construction materials including concrete, masonry, paves, bricks and blocks. Fits on drills with 1-1/4 in.-7mm shank.
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