Metal Four Flute 1/4" x 1/4" Cutting Slotting End Mill Router Bit
Straight shank, standard four flute, slot drill, keyway milling cutter. Mill kinds of faces, such as step face, convex face, concave face and profile. Used widely for machine various round headed flat key seats or for milling grooves and bores. Comes with a storage case, it is convenient for you to carry it about.