PREFERRED FITS
| HOLE AND SHAFTS TOLERANCE | Hole | Shaft |
| Loose Running | H11 | c11 |
| Free Running | H9 | d9 |
| Loose Running | H11 | c11 |
| Easy Running - Good quality easy to do- | H8 | f8 |
| Sliding | H7 | g6 |
| Close Clearance - Spigots and locations | H8 | f7 |
| Location/Clearance | H7 | h6 |
| Location- slight interference | H7 | k6 |
| Location/Transition | H7 | n6 |
| Location/Interference- Press fit which can be separated | H7 | p6 |
| Medium Drive | H7 | s6 |
| Force | H7 | u6 |
Standard Precision Fits
| Running and sliding fits (RC) | Transition locational fits (LT) | Force and shrink fits (FN) |
| Clearance locational fits (LC) | Interference locational fits (LN) |