ER32 collet - 12 mm - DARMET
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Description
Properties and Applications:
- ER32 collet for tools with a cylindrical shank.
- Collets fit ER32 collet chucks.
- ER32 nuts are used for wedging and tightening the collet chuck.
- Slots allow the collet to spring.
- The ER chuck is characterized by a long service life.
- Clamping range: 12.0 - 11.0 mm.
Technical Data:

| Parameter | Value | Unit |
|---|---|---|
| d | 12 | mm |
| D | 32 | mm |
| D1 | 33 | mm |
| D2 | 29.2 | mm |
| L | 40 | mm |
| L1 | 7.16 | mm |
| L2 | 5.5 | mm |
| L3 | 3.6 | mm |
Assembly of Collets in Nuts:
|
| ||
| Assembly of the collet in the chuck nut | Collet properly mounted | Disassembly of the collet |
To properly mount the ER collet in the chuck, you should:
- Insert the collet at an angle into the nut
- Engage the collet groove with the eccentric or cylindrical projection of the nut (fig. A)
- Push the collet into the nut (fig. B)
- Screw the nut with the pressed collet together with the chuck so that the tool to be machined can be clamped
Maximum clamping diameters depending on the ER collet type:



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