ER16 collet sleeve - 3 mm - DARMET
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Description
Properties and Application:
- ER collet for tools with cylindrical shank.
- Marking applied on the face of the collet.
- Basket compatible with ER nuts.
- Slots allow the collet to spring; turning the nut causes the hole to narrow and widen.
- Clamping range: 3.0 - 2.1 mm.
Technical data:

| Parameter | Value | Unit |
|---|---|---|
| d | 3 | mm |
| D | 16 | mm |
| D1 | 17 | mm |
| D2 | 13.8 | mm |
| L | 27.5 | mm |
| L1 | 6.26 | mm |
| L2 | 4.0 | mm |
| L3 | 2.7 | mm |
Assembly of collets in nuts:
|
| ||
| Installing the collet in the nut holder | Collet properly installed | Removing the collet |
To properly install the ER collet in the holder, you should:
- Insert the collet at an angle into the nut
- Hook the collet’s groove onto the eccentric or cylindrical protrusion of the nut (fig. A)
- Press the collet into the nut (fig. B)
- Screw the nut with the pressed collet onto the holder, so that it is possible to clamp the tool being processed
Maximum clamping diameters depending on the ER collet type:



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