470311/16 6210080 Taper Shank Counterbore 3FL 11/16 inch

Interchangeable pilot-counterbore body with 3-flutes, diameter 11/16" with an overall length of 5.1/8" and a flute length of 1.1/4" and MT 2 Morse-taper shank, according to ANSI standard to produce a flat bottom seat for socket-head cap screws with the aid of a pilot with a shank diameter of 3/16" and a maximum pilot guide diameter of 5/8", HSS with standard bright finish for machining free machining and plain carbon steel, wrought and copper or copper alloys.