... flute:(standard and non-standard 1-flute~12-flute series mill, reamer): deep groove, round head, end angle R, ... flute, for aluminum, copper application, chip-dividing groove (for rough mill application) MRll diameter:(miniature) φ0.10mm---φ53.00mm (solid ... , Type of machining,Super-finish→ finish, semi-finish→ semi-rough, rough machining→ power (heavy) cutting HRF10ultra micro-grain quality carbide, ...