10Pcs 0.1mm-3.0mm PCB Print Circuit Board Carbide Micro Drill Bits Set Tool

Material: Alloy Tungsten Steel USE: Amber wax, PCB, CNC grinding tools, carving, plastic, copper etc processing. Features: Tungsten steel bit, easy to handle, precision grinding technology, high wear resistance, high hardness, durable. Good chip removal, double edge milling cutter edge sharp, chip removal fast, high durability, not easy to break the cutter. Spiral groove, sharp cutting edge and large spiral groove design can prevent the formation of chip accretion. Humanized positioning ring sleeve box design can reduce the debugging time of the machine. The anti-seismic design of knife edge can slow down the vibration of machining process and improve the surface quality. Package included: 10pcs/Set Drill Bits