.4-Flute - 90° Point - 1200 Drill Mill, FC20, RH Spiral, Four Facet, Standard, 1/8 The 1200 Drill Mill has 4-flutes and was designed to excel in chamfering, side milling, and drilling operations in titanium, super alloys, hardened steels, stainless steels, steels, cast iron, brass & copper, and low si aluminum.