
| Collet size | BD | LB | L | DCONWS | T.I.R. Precision Standard type | T.I.R. Precision AA ultra precision type |
| ER-11 | 11.5 | 18 | 6 | 1-1.6 | 0.01 | 0.005 |
| ER-16 | 17 | 27 | 10 | 1.6-3 | 0.01 | 0.005 |
| ER-20 | 21 | 31 | 16 | 3-6 | 0.01 | 0.005 |
| ER-25 | 26 | 35 | 25 | 6-10 | 0.01 | 0.005 |
| ER-32 | 33 | 40 | 40 | 10-18 | 0.01 | 0.005 |
| ER-40 | 41 | 46 | 50 | 18-26 | 0.01 | 0.005 |
| ER-50 | 52 | 60 | 60 | 26-34 | 0.01 | - |
| For internal coolant holders | For External coolant holders |
| Sealed Collet | Sealed Collet |
| - JET | - JET2 |
| For straight shank cutting tools | With angular double nozzles. |
| with internal coolant supply. | Coolant flow is direct to the |
cutting edge - for use with standard straight shank cutting tools (without coolant hole)
Note: The front end of the sealed collet should be located beyond Weldon or the whistle notch.