Description
Interchangeable pilot type counterbore body with 3-flutes, diameter 1.3/16″ with an overall length of 6.3/8″ and a flute length of 1.3/4″ and MT 3 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 5/16″ and a maximum pilot guide diameter of 1.1/8″, HSS with standard bright finish for machining free machining and plain carbon steel, wrought and copper or copper alloys
