Teronbeta Diamond Core Drill Bit 40mm, M14 Vacuum Brazed Diamond Core Hole Cutter for Tile Porcelain Ceramic Granite Marble,and for Angle Grinder

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Product description
- Superior Diamond Drill Bits: Made of high quality diamond grits with vacuum brazed technology to imporve the performance and service life.
- Fast and Efficiently: Thicken and uniform diamond coated and Special U-groove tooth make the diamond sharpness and fast chips removal, provide a efficiently and smoothly drilling.
- Durability: Vacuum brazed technology make the diamond grits particles well attach to the core steel and increases resistance the high temperature and friction.
- Compatibility: Suitable for angle grinders with M14 threaded spindle, Great for drilling holes through porcelain, tile, ceramics, marble, granite.
- use water to keep it cooling will be prolong the service life time.
- Instructions: Start drilling at a 45-degree angle, and drill vertically when the crescent-shaped edge is cut to avoid the hole saw from slipping.
- Clockwise oscillation while drilling makes it easy to remove chips and improves drilling efficiency.
- Recommend 6000 - 8000 RPM, Max 11000 RPM.
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