Lapidary Drill Bits Tool Solid Bits 1mm Diamond Coated

Features: *Lapidary drill bits made from emery powder, high-quality, precise and to use. *Idea for drill holes for 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.Please use cold water during the drilling hole operation *If you use the drill for many times, it will not be very than the first time using.You could a little the top of it with plier, it will become again.

Please Kindly Pay Attention: 1. Use cold water during the drilling hole operation 2. Use high-speed(Up 20000 RPM) to drill holes with our drill bits. 3. Be stable, don't shake

Specifications: *Material: emery *Color: Silver *Length: Approx. 36mm *Diameter of Shank: 0.6mm *Diameter of Head: 1mm *Applications: jade, agate, stone, for Crystal, jewelry, ceramic, glass, semiconductor material drilling *Place of Application: Drill , Small Drill, Mills Quantity: 20PCS

Package Included: 20 x Lapidary Drill Bits

Note: 1. Please allow some errors due to manual measurement 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real as standard.