4 Flute for Stainless Steels & Alloys - Series 111 Series 111 4 Flute End Mills for Steels & Alloys. View Speeds and Feeds page. Features: Finishing End Mill for low & high carbon steels, stainless steeel & high temperature alloys Designed with eccentric relief, creating a 25% stronger cutting edge while running smoother at maximim speeds Improved surface finish at higher chip loads. Available with TiCN and AlTiN coatings