3 Flute Rougher-Finisher for Aluminum - Series 119 Series 119 3 Flute Rougher-Finisher for Aluminum. View Speeds and Feeds page. Features: Designend to improve performance in profiling and pocket rougher-finishing applications Best in Aluminum and and light alloys Eccentric relieved for a 25% stronger cutting edge Exceptionally smooth running end mill at maximum speeds Available in Advanced AlTiN (Part Number ending in 4) and ZrN (Part Number ending in 6) coatings