Sandvik Coromant COROMILL Carbide Milling Insert, R390 Style, Rectangular, GC4220 Grade, Multi-Layer Coating, R390170408MPM,0.187" Thick, 0.031" Corner Radius (Pack of 10)
CoroMill 390 is generally the first choice for square shoulder milling with a large, versatile program for many applications. It generates a good quality 90-degree shoulder and is ideal for ramping and helical interpolation. The CoroMill 390 is now also available with integrated damping for a productive and vibration-free machining. CoroMill 390 applicable for repeated shoulder milling, shoulder milling, ramping, helical boring, turn milling, face milling, slot milling, helical interpolation, plunge milling, deep shoulder milling, edging/contouring, slot milling, circular boring.