This precision-engineered 4-flute carbide corner radius end mill from RedLine Tools delivers exceptional performance for demanding machining applications. Featuring a 5/8-inch cutting diameter with a 0.03-inch corner radius, this square end mill is designed to provide superior surface finishes while extending tool life. The variable helix and variable index geometry work together to reduce chatter and vibration during cutting operations, resulting in improved accuracy and smoother finishes. Coated with an advanced AlTiSN finish, this end mill offers enhanced heat resistance and wear protection for extended durability in tough materials. Made in the USA from high-quality carbide, this tool measures 4 inches in overall length with a 1-inch shank diameter for secure mounting. The 4-flute design enables faster feed rates and increased material removal while maintaining excellent chip evacuation. Ideal for professional machinists and manufacturing operations requiring reliable, high-performance cutting tools for milling, contouring, and profiling applications.