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Rugged diamond coated core drill bits feature a standard 3/8" diameter shaft to fit most drills and drill presses. It also features an ejection port to easily remove stuck plugs if they occur.
This 3/16" diameter bit has many uses including drilling hanging holes in projects, creating pilot holes for making inside cuts with ring saws, or drilling holes in ceramic tile for custom mosaic installations. Use it on glass, ceramic tile, porcelain, stone, marble, plastics, fiberglass and more!
Image shown below of Core Drill Bit Group courtesy of Inland.
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Grinder Bits & Disks
