Description
Interchangeable pilot type counterbore body with 4-flutes, diameter 25/32″ with an overall length of 5.3/8″ and a flute length of 3/4″ and 1/2″ reduced 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 3/16″ and a maximum pilot guide diameter of 23/32″, HSS with standard bright finish for machining free machining and plain carbon steel, wrought and copper or copper alloys
