... quality 2, High reputation 3,Competitive price 4,Roughing end mill 3/4 Flute Roughing End Mill Cutter1, Suitable for Copper, Cast ... the lathe efficiency, save more production time.3, The End Mills have 3/4 Flute, HRC45/55 Degrees, made by G25 ... .08206010.010257512.012307514.0144510016.0164510018.0184510020.02045100 3/4 Flute Roughing End Mill Cutter