3 Cutting Diameter; 90 Degree Cutting Angle; 4 Flutes; 1 Mounting Bore RCKT1606 INSERTS; Comes with 4 high quality RCKT1606 Coated Carbide Inserts pre-installed; Excellent steel cutting performance 90 DEGREE ENTERING ANGLE; Versatile cutter that can be used for many operations such as square shoulder milling; Able to achieve larger depth of cut; Low axial forces ideal for machining thin-walled components R8 HOLDER; Comes with a compatible high quality R8 arbor designed for face mills with a mounting bore diameter of 1 COMPATIBILITY; Compatible with Sandvik RCKT1606 and generic RCKT1606 inserts Shape Round Cut Type Rounded Size Name 3 in Brand Name CME Tools Unit Count 1 Count End Cut Type Square End Manufacturer CME Tools Material Type Alloy Steel, Tungsten Carbide Tolerance Held Precision Number of Flutes 4