60HRC thread milling cutter single thread, three threads, full thread CNC machining center tungsten steel alloy coated milling cutter can be customized60HRC Thread Milling Cutter Single Thread, Triple Thread, Full Thread 1. New blade design is not easy to chipping and chip removal is more stable. Adoption of the new blade type, smooth surface, not easy to crash angle taking into account the rigidity of the tool as well as the chip removal performance makes the cutting chip removal more stable. 2. Imported bar material, Golden Heron bar material, high hardness and wear resistance. 3. Barcha coating,