FEATURES
DIAMOND COATED DRILL BITS: Lapidary drill bits made from diamond powder for precise, sturdy cutting
HIGH-SPEED DRILLING: Drill bit set works best at up to 20000 RPM for smooth lapidary holes
VERSATILE MATERIAL USE: Suitable for jewelry, agate, ceramic, jade, glass, and semiconductor drilling
Please Kindly Pay Attention:
-Use cold water during the drilling hole use
-Use high-speed(Up 20000 RPM) to drill holes with our drill bits.
-Be stable, don't shake
Specifications:
Material: Diamond Powder
Color: Silver
Length: Approx. 36mm
Diameter of Shank: 0.6mm
Diameter of : 1mm
Weight: Approx. 4g
Quantity: 20PCS
Package Included:
20 x Lapidary Drill Bits
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.