Descriptions:
Our lapidary drill bits are made from diamond powder, precise and sturdy. It is perfect for drilling holes on the jewelry, ceramic, jade, agate, glass and amber etc. Using high-speed of drilling machine to drill will lead to a good drilling effect. Please use cold water to drill. Our drill bits are very sharp and you could use them for many times. It is a good drilling tool for you to choose from.
Features:
- Made from diamond powder, high-quality, precise and durable to use.
- Idea for drill holes on the jewelry, ceramic, jade, agate, glass, amber and semiconductor materials etc.
- The higher speed of drilling machine, the better effect of drilling bits.
- The speed of drilling machine need to be reached 2000 RPM when you use our drill bits to drill holes.
- 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 Kindly Pay Attention:
- Use cold water during the drilling hole operation.
- Use high-speed(cannot exceed 6000 rpm) to drill holes with our drill bits.
- Be stable, don't shake.
Specifications:
Condition: 100% Brand New and High Quality
Material: Diamond Powder
Color: Silver
Length: Approx. 36mm/1.41"
Diameter of Shank: 0.6mm/0.02"
Diameter of Head: 1mm/0.04"
Weight: Approx. 4g
Quantity: 20pcs
Precautions:
Water must be added when the product is used.
Precautions for use:
- The full length can be shortened first, which can reduce shaking.
- You can grind it with a whetstone to prevent slipping.
- Need to keep adding water to cool down.
Package Included:
20 x Lapidary Drill Bits
Please Note:
- Please allow some errors due to manual measurement
- 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.