5/16" Dia, 2-1/2" OAL, End Mill 4-Flute SE CC REG Cobalt , JF-10M
Premium USA made 4 Flute Cobalt Single End Regular Length End Mill. Cobalt (M42) tools are more resistant to abrasion and can be run at higher cutting temperatures and feed rates than the average high speed steel (HSS) tools. This end mill has a Center Cutting end cut and is Uncoated.
