2Pcs Quick Release Diamond Hole Core Drill Bit For Stone Ceramic

Description: & high quality, easy to use, good performance and long lifeCoarse grit diamond, best on marble, granite and tileExcellent for making clean and accurate hole on granite, marble, rock, gemstone, shells, tile and glass etcWater or other cooling agent is recommended for longer life of the bitDiamond coating maximizes performance and retains a sharper edge than traditional carbide or bimetal hole sawsSize Chart:Shank Diameter: Approx. 6mm/0.23inch6mmPunch Diameter: 6mm/0.24inch; Overall Length: 68mm/2.68inch8mmPunch Diameter: 8mm/0.31inch; Overall Length: 80mm/3.15inchPackage Includes:2 Pieces Quick Release Diamond Drill Bit
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