10Pcs Shank End Mill CNC Router Bit Set 0.8-3.175mm Carbide End Milling Cutter Engraving Bits Rotary Burrs for PCB Circ

10 Different sizes with 1/8" round shank for your various needs. The corn end milling bit is Nano Blue plated which provides a smooth finish and reduces corrosion that greatly increases the endurance of the engraving bits. Compatible with most desktop CNC machines, and fit for most rotary tools, cordless hand drills, electric grinders. Widely use for carving, cutting, engraving, milling, slotting, sculpturing in materials, such as PCB, SMT, CNC, mold, plastic fiber, carbon fiber, hardwood and other precision parts. Made of ultra-fine grain carbide material (tungsten steel), with high hardness, high wear resistance, high strength, resistance to bending, anti-impairment and long tool life.