Seco 75011289 335.19 Type A Indexable Disc Mill Cutter, ANSI Code: 335.19-125.06.40-6, Arbor Connection, 335.19 Toolholder, 125 mm Dia x 6 mm W Cutting, SNHQ Insert, 40 mm Dia Hole, 40 mm Dia Arbor, 31.1 mm Max Depth of Cut