DT-DIATOOL Diamond Core Drill Bit 20mm - Diamond Hole Saw for Porcelain Tile Ceramic Tile Marble Granite M14 Thread
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- Wide application Dry or wet drilling holes in porcelain tile, ceramic tile, marble or granite, etc.
- Serrated cutter tooth design Greatly improve the sharpness and drilling speed, there are several chip removal grooves between the teeth, in the drilling can be quickly discharged from the dust, not easy to be clogged.
- Machine Angle Grinder. Recommend RPM 6000. Max RPM 11000. Please try to get as close as possible to the recommended drilling speed to help prolong service life. If you fit them on hand drills, you need an adapter, such as sds, hex, round plus shank, etc. And don't use hammer or impact mode.
- Vacuum brazing technology The diamonds are more firmly fixed and more exposed, which prolongs the life and makes drilling more neatly and sharply, faster and with better finishes.
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