... dental burrs,tungsten carbide sand wheel(1)used for foundry grinding, grinding disc, oil nozzle and other irregular parts of workpieces.(2 ... )The major characteristic: hardwearing, strong power for grinding. (3)Application: metals grinding, mend etc.(4)Diameter of shank:Φ3mm,Φ6mm ... Roll taps, spiral pointed taps, spiral fluted taps and other cutting tools, such as end mills, drills, saws.. dental burrs ...