Description
Interchangeable pilot type counterbore body with 3-flutes, diameter 27/32″ with an overall length of 5.3/8″ and a flute length of 1.1/2″ and 3/4″ straight 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 1/4″ and a maximum pilot guide diameter of 25/32″, HSS with standard bright finish for machining free machining and plain carbon steel, wrought and copper or copper alloys
