... and premium quality. 1. Feautres and methods of applicationCarbide rotary file is also called carbide high speed cutter, carbide ... mould cutter, carbide rotary burrs, carbide rotary burs, carbide milling cutter, tungsten carbide rotary burrs, carbide burrs, hardmetal burrs, ... tools). The normal speed of rotation is 6,000 to 50,000 rpm.Notice:The cutter must be correctly and ...