These are the counterbore pilots that you will need to fit our 1/4″, 5/16″, 3/8″ and .360″ Carbide Tipped Interchangeable Pilot Counterbores.
These have a 3/32″ shank and head diameters of 1/8″, 5/32″, 3/16″ or 1/4″.
Order these based on what size pivot barrels you are using.
Made in the USA!!