The 3215 General Purpose end mill has 2-flutes and was designed for use in titanium, super alloys, stainless steels, steels, cast iron, brass & copper, and low si aluminum.
2-Flute - 45° Helix - 3825 AlumaMill HP End Mills, RH Spiral, Square, Extra-Long, 5/16 The 3825 AlumaMill is stocked uncoated and with FC-19 coating.. The 3825 AlumaMill is a 2-flute, high performance end mill designed for aggressive material removal rates in aluminum and non-ferrous materials.