5/16 Dia. 13/16 Flute Length 5/16 Shank 2.5 OAL AlTiN Coated 4 Flute. LakeShore endmills are made from the highest quality micro grain carbide to deliver the performance of the big name endmills at a little guy price. 30 degree helix help maximize production in a wide range of materials. An excellent general purpose ballnose endmill made in the USA.
