3 Flute Downcut Spiral Rougher End Mill 3/8 in. Dia. 3/8 in. Shank Solid Carbide CNC Router Bit Set (5-Piece)

This 3 flute solid carbide down cut rougher end mill has a 3/8 in. cutting diameter with a cutting length of 1-3/8 in. The shank diameter is 3/8 in. and the overall length is 3-1/2 in. Rougher end mills remove lots of material with every pass. The Rougher feature limits the size of the chips preventing the bit from getting bogged down. These end mills are not meant to be used on the finishing pass of the project.For high volume CNC milling and routing where a clean top surface edge of material is requiredPremium C3 micro-grain solid tungsten carbide for a high-performance industrial quality toolUse on CNC, table mount and handheld routersPolished to a mirror finish from a solid carbide rod for precision and accuracy3 flute design for more efficient performance on hardwoods and non-ferrous alloys