Face Mill Shoulder Cutter BAP400R-50-22-4T 90 Degree Square Shoulder Indexable CNC 4 Flutes Face Mill Shoulder Milling Cutter with Wrench and Box: Amazon.com: Industrial & Scientific
Sandvik Coromant R390-016A16-07M Coromill 390 Square Shoulder Milling Cutter, 16 mm Connection Diameter, 16 mm Maximum Cutting Diameter, 5.8 mm Maximum Depth of Cut (Pack of 1): Amazon.com: Industrial & Scientific