The clamping part on the ER collet tool, the tool that connects the mechanical spindle with the tool and other accessory tools.
The clamping part on the ER collet tool, the tool that connects the mechanical spindle with the tool and other accessory tools. A collet is a locking device that holds a tool or workpiece. It is usually used on drilling and milling machines and machining centers.
Product parameters
| L(mm) | D(mm) | Concentricity | High-precision collet concentricity |
| 6 | 1.0-1.4 | 0.015 | 0.005 |
| 10 | 1.5-2.9 | 0.015 | |
| 16 | 3.0-5.9 | 0.015 | |
| 25 | 6.0-9.9 | 0.015 | |
| 40 | 10.0-17.9 | 0.02 | |
| 50 | 18.0-26.9 | 0.02 | |
| 60 | 27.0-34.0 | 0.02 |
| Specifications | Clamping capacity | d1 | d2 | L | L1 | L2 | L3 | Hole size |
| ER8 | 8.5 | 8 | 6.5 | 13.5 | 10.8 | 2.98 | 1.5 | 0.5 |
| ER11 | 11.5 | 11 | 9.5 | 18.0 | 13.5 | 3.80 | 2.5 | 1-5 |
| 6-7 | ||||||||
| ER16 | 17.5 | 16 | 13.8 | 27.5 | 20.8 | 6.26 | 4.0 | 1-5 |
| 6-10 | ||||||||
| ER20 | 21.5 | 20 | 17.4 | 31.5 | 23.9 | 6.36 | 4.8 | 1-5 |
| 6-13 | ||||||||
| ER25 | 26.0 | 26 | 22 | 34 | 25.6 | 6.66 | 5.0 | 1-5 |
| 6-16 | ||||||||
| ER32 | 33.0 | 32 | 29.2 | 40.0 | 30.9 | 7.16 | 5.5 | 2-5 |
| 6-20 | ||||||||
| ER40 | 41.0 | 40 | 36.2 | 46.0 | 34.9 | 7.66 | 7.0 | 3-5 |
| 6-26 | ||||||||
| ER50 | 52.0 | 50 | 46 | 60 | 46.0 | 13.4 | 8.5 | 6-34 |
