Onsrud AMC800153 Solid Carbide end mill 3FL 1/2 x 5/8 x 4 OAL 0.030 CR For ISO N Non-Ferrous, Aluminum, Brass, Bronze, Copper, 1/2 Shank, ZrN Coated

* Designed for Heavy Material Removal Rates
* The Sinusoidal Chipbreaker Pattern is Optimized to Slot 30% Faster than a Standard Design.
* Unique Coolant Through Design Directs the Coolant at the Cutting Edge.