The Grainger Approved Square End Mill Single End Carbide is a milling cutter with a square end for machining flat surfaces, slots, and grooves in metal, wood, and plastic. It has a 1/2" shank diameter, 1-1/2" overall length, 1/2" cutting diameter, and 2 flute design. The end mill features carbide tips brazed to a steel body for wear resistance and rigidity. It can be run at speeds up to 6,000 RPM with coolant and is well-suited for use on CNC machines. The end mill has a bright finish and includes a plastic case. It is manufactured in the USA by Grainger Industrial Supply.