Sandvik Coromant Milling Cutter, Multi-Purpose Adjustable Half Side and Back Face Disc, Series: CoroMill® 331, 80 mm Diameter Cutting, 19.5 mm Maximum Depth of Cut, 6 Inserts, Insert Compatibility: N/L331.1A-08RE0.20-1.54, Bore with Keyway Shank, 27 mm Arbor Hole, Left Hand Cutting Direction, 90 deg Cutting Angle, ANSI Code: L331.52C-080S27EM, ISO Code: L331.52C-080S27EM, Yes Through Coolant