BQLZR Silver 0.3cm Shank 1mm Cylindrial Point Diamond Burr Glass Drill Bits for Engraving Rotary Tools Pack of 30

• This diamond burr is highly recommended for crafts, hobbies, home repairs, jewelry, gemstone uses, styling, and more.
• Shank diameter: 3mm / 1/8"; overall length: 45mm / 1.77", head diameter: 1mm / 0.04".
• Spherical, diamond-coated head. Can be installed on electric grinders, overhead grinders and hand .
• Used for engraving, trimming, fine grinding and internal grinding of jade, ceramics, glass, gems, alloys, wood and other hard alloys.
• If using on glass or mirrors, it is recommended to cool the bit with water.

Safety instructions: 1. Razor cuttings permanently enclosed in a cartridge or housing with less than 2mm of cutting exposed． 2. The cuttingd product is not use for people under 18 years. 3. The item is only for industrial cutting/engraving, not hazardous article Note: The color of the item may vary slightly due to photography and your own computer Feature: Diamond coated bur set with 0.3cm shanks Bits come in standard size to satisfy any technology. Fit most professional electric drills, best for replace nail drill bits. Can be used to various applications including carving, grinding and etching on a variety materials. Safety instructions: 1. Razor cutting permanently enclosed in a cartridge or housing with less than 2mm of cutting exposed? 2. The cutting product is not use for people under 18 years. 3. The item is only for inrial cutting/engraving, not hazardous article Specification: Material:Diamond,Metal Color:Silver Shank Diameter:0.3cm Head Diameter:1mm Grain Size:150 # Length:45mm Package Size:14.3 x 6 x 2cm/5.63 x 2.36 x 0.79"(L x W x H) Weight:107g Package Include: 30 x Diamond Coated Burrs Glass Drill Bit