Sandvik Coromant Milling Cutter, Multi-Purpose Adjustable Half Side and Back Face Disc, Series: CoroMill® 331, 160 mm Diameter Cutting, 51.5 mm Maximum Depth of Cut, 12 Inserts, Insert Compatibility: N/L331.1A-08RE0.20-1.54, Bore with Keyway Shank, 40 mm Arbor Hole, Left Hand Cutting Direction, 90 deg Cutting Angle, ANSI Code: L331.52C-160S40EM, ISO Code: L331.52C-160S40EM, Yes Through Coolant