Pilot Pins for Carbide Tipped Annular Cutters. CT150-Pin, CT200-Pin fits 9/16in and 5/8in diameter carbide tipped annular cutters (i.e., CT150-9/16 and CT150-5/8). CT150P fits with CT150 annular cutters. CT200P fits with CT200 annular cutters. CT300P fits with CT300 annular cutters. CT400P fits with CT400 annular cutters.