Condition: 100% Brand New and High Quality
Material: Diamond Powder
Please Kindly Pay Attention:
-Use cold water during the drilling hole operation
-Use high-speed(Up 20000 RPM) to drill holes with our drill bits.
-Be stable, don’t shake
-If you use the drill bit for many times, it will not be very sharp than the first time using.You could cut a little the top of it with plier, it will become sharp again
Please Note:
1. Please allow some errors due to manual measurement.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.