... ,tungsten carbide sand wheel 2)Material:diamond 3)Different types and sizes 3)Shank dia:3mm,6mm dental burrs,tungsten carbide sand ... grinding, mend etc.(4)Diameter of shank:Φ3mm,Φ6mm(5)Material: diamond, PA, (pink fused alumina)WA(white fused alumina), A ... and other cutting tools, such as end mills, drills, saws.. dental burrs,tungsten carbide sand wheel