| 1/00 | Milling machines not designed for particular work or special operations |
| 1/02 | Milling machines not designed for particular work or special operations with one horizontal working-spindle |
| 1/025 | Milling machines not designed for particular work or special operations with one horizontal working-spindle with working-spindle in a fixed position |
| 1/027 | Milling machines not designed for particular work or special operations with one horizontal working-spindle with working-spindle movable in a vertical direction |
| 1/04 | Milling machines not designed for particular work or special operations with a plurality of horizontal working-spindles |
| 1/06 | Milling machines not designed for particular work or special operations with one vertical working-spindle |
| 1/08 | Milling machines not designed for particular work or special operations with a plurality of vertical working-spindles |
| 1/10 | Milling machines not designed for particular work or special operations with both horizontal and vertical working-spindles |
| 1/12 | Milling machines not designed for particular work or special operations with spindle adjustable to different angles, e.g. either horizontally or vertically |
| 1/14 | Milling machines not designed for particular work or special operations with rotary work-carrying table (work-tables for machine tools in general B23Q 1/00) |
| 1/16 | Milling machines not designed for particular work or special operations specially designed for control by copying devices |
| 1/18 | Milling machines not designed for particular work or special operations specially designed for control by copying devices for milling while revolving the work |
| 1/20 | Milling machines not designed for particular work or special operations Portable devices or machines (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00); Hand-driven devices or machines |
| 3/00 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B23F; milling of threads B23G 1/32) |
| 3/02 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B23F; milling of threads B23G 1/32) Milling surfaces of revolution (B23C 3/06, B23C 3/08 take precedence) |
| 3/04 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B23F; milling of threads B23G 1/32) Milling surfaces of revolution (B23C 3/06, B23C 3/08 take precedence) while revolving the work |
| 3/05 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B23F; milling of threads B23G 1/32) Milling surfaces of revolution (B23C 3/06, B23C 3/08 take precedence) Finishing valves or valve seats |
| 3/06 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B23F; milling of threads B23G 1/32) Milling crankshafts |
| 3/08 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B23F; milling of threads B23G 1/32) Milling cams, camshafts, or the like |
| 3/10 | Milling particular work; Special milling operations; Machines therefor (milling gear teeth B23F; milling of threads B23G 1/32) Relieving by milling (lathes or turning devices for relieving B23B 5/42) |