The Micro 100 Square End Mill Carbide is a high-performance end mill for milling a variety of materials. It features a square end design for milling square slots, pockets, and edges. The end mill has four flutes and is made of solid carbide with TiAlN coating for wear resistance and heat resistance. It has a 1/2" shank diameter and is available in multiple sizes from 1/8" to 1/2" cutting diameters. The square end mill is designed for high feed rates and productivity in light milling applications. It can machine steels, cast iron, aluminum, and other non-ferrous metals. This versatile end mill is well-suited for slotting, side milling, and facing operations.