10Pcs 6mm Dry Diamond Drill Bits Set, 1/4 Black Diamond Core Drill Bits Round Shank for Tile Ceramic Marble Porcelain Stone Glass(not for Wood) …Discount

【Unique Cooling Wax】Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface. This allows for longer drilling without much wear on larger projects.

【Durable & Efficient Dry Drilling Design】Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface; Water can be used as additional cooling to prolong the life of the bit

【Diamond Drill Bit Packaging Includes】10 Pieces of dry diamond drill bits Kit for drilling holes diameter of 10pc 1/4 inch (6mm).The Larouoba ceramic tile drill bits are extremely heat resistant and efficient due to their special cooling wax filling.

【Widely Application of Various Materials 】Larouoba Diamond drill bit C45 tool steel gives the diamond coated drill bit set robustness. It can be used for porcelain, ceramic, granite, marble, masonry, concrete, various types of tile. (Note: not for wood).

【Applicable To The Machine】Round shanks are compatible with most machines such as hand drills, angle grinders and bench drills. Wet and dry use, water can be used to cool the drill bit and prolong the service life. Please NOTE that you need to reduce the speed when drilling the glass, about 800-1000RPM.

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