Description
- Product Name: Lapidary Diamond Drill Bits, Diamond Drill Bits for Stone Jewelry, Gemstone Drill Bits
- Head Diameter:1.2mm; Total length:42mm; Shank diameter:0.7mm
- Application: Suitable for use in drill hole on the jewelry, gemstone, jade, agate, amber, beeswax, crystal
- Suitable Machine: high speed bench drill, bench drill, fixed drilling machine, etc.
- Max speed: 18000RPM; Use with water as a lubricant
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JINGLING 1.2mm Diamond Lapidary Drill Bits Hole Micro Solid Bit Tipped Jewelry Tools for Stone Rock Pack of 20Pcs
