2-1/2-inches in total length4 flutes and 1/4-inch in diameterStraight 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.Package include: 1 X End Mill Router BitNote:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.
