【High-quality materials】The drill bits and hole saws are made of high-quality diamond and high-carbon steel, and are manufactured using vacuum brazing technology, which has higher cutting efficiency and durability. The drill bits are filled with cooling wax, and the hole saws have chip removal holes, which can effectively reduce the temperature of them.
Machine】With 5/8-11 thread for angle grinder and wet polisher. Recommended speed is 6000 RPM, maximum speed is 11000 RPM. We suggest pausing the drill bits and cooling it down after each drilling, or spraying water during drilling, which will keep the drill bits at its best performance.
【Application】These diamond drill bits can easily drill or cut these materials: ceramic tile, porcelain, bricks, concrete, granite, marble, quartz, glass, etc. Can be used for wet & dry drilling.
【Customer Service】If you encounter any problems or have any questions about the use of the product, please feel free to contact us, we are always here to help you.
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