Seco 02826561 Highfeed 6 Double Sided Insert Indexable Copy Mill, ANSI Code: R220.21-8160-R230.10A, 145.2 mm Dia Cutting, 90 mm Dia Shank, 63 mm OAL, 218.21 Insert, 1.8 mm Max Depth of Cut, 90 mm Dia Arbor Hole