Coated Ball End Mill Performance 55% OFF Blue High Stabl
Coated Ball End Mill, Blue High Performance Ball End Mill, Stabl. Nano blue coating enhances the hardness, prolong the service life, and the drill bit is more durable and wear‑resistant The cutting edge is of sharpness, the surface has no burrs. Ultra‑fine hard tungsten steel material can ensure its engraving and milling performance