Available in diameters from 1½-6 in. and overall lengths of 12 and 22 in., carbide-tipped One-Piece Core Bits are sold in complete set with either SDS-Max or Spline drive shank. Bits are used by plumbing, electrical, and mechanical contractors in applications such as drilling for railing installations, relocating anchors, and through-wall drilling for electrical conduit, plumbing, and sanitary pipe.
Link to this article：Rotary Hammer Core Bits handle concrete and brick drilling
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