Diamond Burrs, are made up of high grades pointed abundant diamond, the surface have been electroplated which makes it easy to process high rigidity material. Its highest rotate speed reaches 30000r/min. Using it, you can adjust hardened material, moulds, carbide steel, glass, stone carving etc.

Features:
1) Dimensions:
a) Shank diameter: 3, 3.17mm
b) Length: 45mm
2) Diamond grit: #80 - #200 available
3) Coating: nickel, chrome, titanium available
4) Smooth cutting surface and high drilling speed