JINGLING 2.2mm Diamond Lapidary Drill Bits Micro Solid Bit Tipped Jewelry Tools for Stone Rock Pack of 20Pcs
Product Description
JINGLING 2.2mm Diamond Lapidary Drill Bits Micro Solid Bit Tipped Jewelry Tools for Stone Rock Pack of 20Pcs
- Lapidary 2.2mm diamond drill bit is made of high-quality diamond powder electroplating, sharp, with high accuracy and long service life
- Suitable for use in drill hole on the jewelry, gemstone, jade, agate, amber, beeswax, crystal
- Head Diameter: 2.2-2.5mm; Total length: 55mm; Shank diameter: 1.1mm
- Suitable Machine:high speed bench drill(Speed above 10000RPM); Suitable for dremel with Universal 3-jaw chuck
- Use with water as a lubricant;The rod of the jewelry drill bits can be cut short as needed to reduce wobble when drilling
Technical Specifications
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