Seco 02448965 QuattroMill Single Sided Insert Indexable Face Mill, ANSI Code: R220.53-8160-12-7, 172 mm Dia Cutting, 90 mm Dia Shank, 63 mm OAL, R220.53 Insert, 6 mm Max Depth of Cut, 40 mm Dia Arbor Hole, 45 deg Lead Angle