Description
Interchangeable pilot type counterbore body with 5-flutes, diameter 1.5/8″ with an overall length of 8.1/8″ and a flute length of 2.1/4″ and MT 4 Morse-taper shank, according to ANSI standard to produce a flat bottom seat for socket-head cap screws with the aid of a detachable pilot with a mounting diameter of 7/16″ and a maximum pilot guide diameter of 1.9/16″, HSS with standard bright finish for machining free machining and plain carbon steel, wrought and copper or copper alloys
