Description
Interchangeable pilot type counterbore body with 4-flutes, diameter 7/8″ with an overall length of 5.3/8″ and a flute length of 15/16″ 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 13/16″, HSS with standard bright finish for machining free machining and plain carbon steel, wrought and copper or copper alloys
