Dry Diamond Core Drill Bits 1 inch with Slots 25mm Diamond Hole Saws, with 5/8-11 Thread to 3/8” Hex Shank Adapter Fit Both Angle Grinders & Electric Drills for Porcelain Granite Tiles Brick Concrete

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  • User Tips for accurate positioned hole, please place the high-speed drill at a 45-degree angle to start a position groove, then bring the drill up upright slowly and continue; cool the bit enough to keep the diamond core drill bit sharp longer
  • Fit Most Tools 25mm Dry Diamond Core Drill Bit can be used on most angle grinders (5 8-11 thread) directly, or High Speed powered drills with the 3 8 Hex Shank Adaptor (included)
  • Speed and Smooth Cutting With a slotted barrel to aid debris removal and cooling, you will get perfect holes with professional finish and minimum chip in a fast manner, no water required

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