CPC Main Group B23C 5/00 Milling-cutters (for cutting gear-teeth B23F21/12) 6 direct subcodes Child Classifications Navigate with arrow keys, Enter to open B23C 5/003 B23C 5/006 B23C 5/02 characterised by the shape of the cutter B23C 5/16 characterised by physical features other than shape B23C 5/26 Securing milling cutters to the driving spindle B23C 5/28 Features relating to lubricating or cooling