The RedLine Tools 1/2 4 Flute Carbide Corner Radius End Mill is a precision cutting tool designed for demanding machining applications. Made in the USA, this end mill features a 0.5-inch cutting diameter with a matching 0.5-inch shank diameter for secure tool holding. The 4-flute design with variable helix and variable index geometry helps reduce chatter and improve surface finish while maximizing material removal rates. Constructed from durable carbide material with an AlTiSN finish type, this tool delivers extended tool life and enhanced performance. The corner radius design with a 0.01-inch radius provides strength at the cutting edge while allowing for smoother transitions in your workpiece. Measuring 2.5 inches in length with a 0.63-inch width and weighing just 10 grams, this round-shaped end mill offers excellent balance and control. Model number REP4126 is ideal for professionals seeking reliable performance in milling operations across various materials.