10Pcs Spiral Milling Cutter Single Blade Tungsten Steel Blue Plating CNC Tools 3.175x2x8

1、Suitable for engraving drilling milling cutting of hardwood plywood acrylic plastic fiber resin PCB and other materials 2、This spiral milling cutter is especially suitable for 3D relief and complex 3D carving 3、Nano blue coating enhances the hardness prolongs the service life and the drill bit is more durable and wear?resistant 4、Ultra?fine material can ensure engraving and milling performance. The cutting edge is of sharpness and the surface has no burrs. 5、Adopt tungsten steel material possess high hardness wear resistance good strength and toughness