Descriptions:
Our lapidary drill bits are made of diamond powder, precise and robust. It is perfect for drilling holes in jewellery, ceramics, jade, agate, glass and amber etc. The use of a high-speed drill for drilling leads to a good drilling effect. Please use cold water to drill. Our drill bits are very sharp and can be used many times. It is a good drilling tool from which you can choose.
Functions: If you use the drill bit several times, it will not be very sharp than the first use. If you cut the top a little with pliers, it will be sharp again.
Please note:
- Use cold water during the drilling process.
- Use the high-speed speed (up to 20000 rpm) to drill holes with our drills.
- Stay stable, do not shake.
Technical data:
Condition: 100% brand new and high quality.
Material: diamond powder.
Colour: silver.
Length: approx. 36 mm.
Shank Diameter: 0.6mm
Diameter of the head: 1 mm.
Approximate weight: 4 g.
Quantity: 20 pieces.
Package includes:
20 x lapidary drill bits.
Please note:
1. Please allow some errors due to manual measurement.
2. Monitors are calibrated differently. The object colour shown in the photos may differ slightly from the actual object. Please take the real one as standard.