Cancels and replaces the first edition (1975). Specifies the dimensions for interchangeability between the cutter and the arbor or mandrel, i. e. the diameter of the bore and the arbor or mandrel and elements of the drive, whether by keying or tenon. Applies to all types of milling cutters mounted on cutter arbors or mandrels. Gives the conversion of the metric values into inches in annex A.