Roughing End Mill JESTUOUS HSS Square Nose 4 Flute Fine Tooth Bit 1/4" Shank Dia. 3/4" Flute Length for Milling Metal Steels,1 Piece

["Roughing end mill with 1/4\" inch shank diameter,1/4\" inch cutting diameter,3/4\" inches flute length,2-1/2\" inches overall length.","High speed steel with titanium coating,provides better cutting performance and long bits life.","Suitable for roughing,to remove a big chunk of material from workpieces,large chip removal volume for better chip-removing,4 spiral flute design can run at faster feed rates.","Good performance in hard materials,such as hardened steels,alloy steels,copper and other type metals,and leaves perfect finish.","Those endmill bits are compatible with most CNC machines for side milling,step milling and groove milling,etc."]