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Irwin Tools 325007 Drill Bit, 3-1/8 x 22, Spline One Piece Masonry Core Bit
From the Manufacturer The Irwin Tools Drill Bit, 3-1/8 x 22, Spline One-Piece Core Masonry Bit allowes the user to drill larger holes into masonry. This tool is ideal for making holes to run piping or conduit through masonry materials. The coring Bit has carbide teeth on the cup for cutting the materials and a carbide tipped pilot drill bit for starting the hole and aligning the core. One Piece for durabilty Carbide cutting teeth on Cup Carbide tipped pilot bit Universal Spline Shank Material Carbide, Shank Type Spline, Brand Irwin, Dimensions LxWxH 

Price is $351.00

Price: $350.98