... dental lab 1.shank diameter 2.35mm, 2.teeth type:green, yellow,blue,white,black,red 3. ... /Tungsten Carbide Burrs is a new tape milling cutter with hign effciency,instead of granding wheel bur ... tool,and speed is allowed generally 6000-40000 r / min,2. Cutting should be directed to move from right ... the same as using the grinding wheel to reciprocating cutting; be careful not to too much force (pressure ...