CoroMill® 490 First choice for general and repeated shoulder milling CoroMill® 490 is a light-cutting, positive concept with four cutting edges. Precise cutter bodies and insert location along with a low-vibration machining process provide accurate shoulders without mismatch. Covers roughing to finishing. Application — General and repeated shoulder milling — Face milling — Edging — Plunge milling — Slot milling — Roughing to finishing Features and benefits ISO application areas — True 90° cuts without sharp steps — High precision and good tolerances — Positive concept with light cutting action — High productivity with outstanding insert geometries and grades — Undersized shanks for larger diameter cutters, using 8 mm (0.315 inch) inserts, enable these cutters to fit into smaller tool holders — Oversized versions enhance the accessibility and provide natural clearance to tight fixtures Precision built for repeatability When your process demands consistent 90° shoulders with minimal mismatch, this solution delivers, again and again. With low cutting resistance, tight tolerances and true versatility, it’s made for general and repeated shoulder milling. 87