Sandvik Coromant 5758879 CoroMill 329 Groove Milling Cutter With Internal Coolant Channel, ANSI Code: 329-100Q22-F, Arbor Connection, 329-Q Toolholder, 100 mm Dia x 2.5 mm W Cutting, Right Hand Cutting, 329..Qxx Insert, 22 mm Dia Hole