BGTEC Diamond Core Drill Bits, 2pcs 28mm Triangle Shank Hole Saw Drill Bits for Ceramic Porcelain Tile Marble Granite Stoneware Quartz Vacuum Brazed Diamond Drill Bit 65mm Length
Product description
- Cooling and Heat Dissipation The top of the drill bit has 4 U grooves, which is conducive to heat dissipation and discharge of debris.
- Application Suitable for drilling granite and marble, tiles ceramics and a variety of other materials; can be used for dry and wet drilling, with longer service life when used with water.
- Not Easy to Chip Precision diamond particles and vacuum brazing technology ensure that the drill bit is not easy to chip or damage during the drilling process, guaranteeing work safety and efficiency.
- Applicable machines Hand drill, bench drill. Recommended speed 2000 to 5000 rpm; the higher the speed, the longer the life of the drill bit. If you are using an angle grinder, please install a drill adapter.
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