... 3)Different types and sizes 3)Shank dia:3mm,6mm dental burrs,tungsten carbide sand wheel(1)used for foundry ... (3)Application: metals grinding, mend etc.(4)Diameter of shank:Φ3mm,Φ6mm(5)Material: diamond, PA, (pink fused ... (white fused alumina), A(alumina),GC(green silico carbide) More product pcs:manufacturer specialized in Roll taps, ... as end mills, drills, saws.. dental burrs,tungsten carbide sand wheel