The Micro 100 Square End Mill Center Cutting is a high-performance end mill for milling a variety of materials. It features a square end design for milling 90-degree shoulders and angles. The end mill has a center cutting design that allows plunge cuts into a workpiece. It is made of solid carbide for durability and has a TiAlN coating to reduce heat and friction. The end mill has 4 flutes and is available in multiple diameters and lengths. It can be run at speeds up to 21,000 RPM with feed rates up to 80 IPM. This versatile end mill is well-suited for slotting, profiling, and shoulder milling in materials like steel, stainless steel, cast iron, aluminum, titanium, and plastics.