Sandvik Coromant R290-080Q27-12M is a right-hand, square-shoulder CoroMill 290 shoulder milling cutter designed for precise shoulder milling on steel components. It features an 80 mm (3.1496 in) cutting diameter, a 27 mm (1.0629 in) shank diameter, and an overall length of 50 mm (1.9685 in), delivering a compact, rigid cutting geometry. The tool uses six inserts and is compatible with R290-12T308 inserts; its ANSI and ISO order code is R290-080Q27-12M. Maximum depth of cut is 10.7 mm (0.4212 in), enabling controlled shoulder operations in a variety of milling scenarios.
