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 American-made tool combines variable helix and variable index geometry to reduce chatter and improve surface finish. The advanced AlTiSN coating provides superior heat resistance and extended tool life, making it ideal for machining a wide range of materials. With four flutes and a 1-inch shank diameter, this end mill offers excellent chip evacuation and rigidity for both roughing and finishing operations. The variable helix design minimizes harmonic vibrations during cutting, while the variable index spacing enhances stability and reduces tool wear. Measuring 6 inches in overall length, this corner radius end mill is perfect for professionals seeking reliable, high-quality cutting tools. Made in the USA with premium carbide construction, it represents the quality and precision that modern machining demands.