tungsten carbide burr for dental lab 1.shank diameter 2.35mm ... yellow,blue,white,black,red 3.material YG8 Carbide Rotary Files/Tungsten Carbide Burrs is a new tape milling cutter with ... of metal and nonmetal.Etc.User Safety Tips1. When carbide rotary burrs are used in the wind-driven or ... all kinds of non-standard/standard shape of carbide rotary cutting tools according to customers' requirments