Seco 75054682 R335.10 Type B Indexable Disc Mill Cutter With Internal Coolant Supply, ANSI Code: R335.10-06.00-2B, Arbor Connection, 152.4 mm Dia x 2.5 mm W Cutting, Right Hand Cutting, 150.10-2.. Insert, 38.1 mm Dia Hole, 38.1 mm Dia Arbor Hole