High Speed Steel TMX Interchangeable Pilot Counterbore with Straight Shank.HSS TMX Interchangeable Pilot Counterbore, Straight Shank, 3 Flute, 9/32″ cutting diameter x 17/64″ shank diameter x 3-1/16″ shank length x 3-13/16″ OAL with 3/32″ pilot hole diameter for pilots 1/8″ to 7/32″.
For counterboring and spotfacing – interchangeable pilots provide the advantage of one counterbore size can be used for a number of pilot hole diameters
