Plain Shank Spiral flute, 3 flute. Medium duty. Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Manufactured to manufacturers standard
Insert Grade QX5020 (ISO P10-P35 M10-M30 K10-K30) CVD Coated.An excellent general purpose grade for medium roughing on Steels, Stainless and Cast Irons.