Small Gemstone Drill Bits 1-2.2 mm Lapidary Tools Carving Burrs Pack of 20Pcs

Description

20Pcs 1-2.2mm Micro Diamond Drill Bits Small Gemstone Carving Burrs Jewelry Making Lapidary Tools for Stone Sea Glass
Product Description:
Product Name: Lapidary Diamond Drill Bits, Diamond Drill Bits for Stone Jewelry
Head Diameter: 1.0/ 1.2/ 1.4/ 1.6/ 1.8/ 2.0/ 2.2 mm
Please choose from the menu which option best qualifies your need. Available Head Diameter as below:
Head D
iameter(Max)
Shank Diameter
Total length
Code
Quantity
1.0mm
0.7mm
37
6#
20Pcs
1.2mm
0.7mm
43
5#
20Pcs
1.4mm
0.9mm
43
4#
20Pcs
1.6mm
0.9mm
53
3#
20Pcs
1.8mm
1.0mm
53
2#
20Pcs
2.0mm
1.1mm
54
1#
20Pcs
2.2mm
1.2mm
55
0#
20Pcs
Quantity:   20Pcs
Material: Metal, Diamond
Grit: 80  (Coarse)
Color: Silver Tone, the diamond drill bits were originally packaged in oil so you may see oil spots on the surface
Drilling speed:  Drill a Hole in Seconds
Use with water as a lubricant
Must drop water or put the stones in the water, during drilling
hole operation.
Max speed: 18000 RPM
The higher the speed of machine, the effect of drilling hole is better
Application:
suitable for use in drill hole on the Jewelry, Gems, jade, agate, amber, beeswax, crystal
Suitable Machine: high speed bench drill.
If you using normal bench drill ( speed below 10000 RPM ), the drill needle is easy to be broken.
Note: The drilling hole needles are producted from factory directily, there is rust on needle’s handle, but not influence use.
Quick Tips
1. During drilling operation, with machines can't use more than 1 kg of strength to press the needle, because the diameter of handle is very small, too big power will broken needle.
2. Suggest you use the machine to drilling hole, just like the chicken peck rice, drilling hole after a few seconds, lift up once, and then press the continue to drill.
We Can List Any Size (Head Diameter 1.0mm/1.2mm/1.4mm/1.6mm/1.8mm/2.0mm/2.2mm) & Amount Of This Product
We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware. Should you have any queries, please contact me directly