Clamping nut for ER40 collets | Type T2 - (DM 072)
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Description
Properties and application:
- ER40 nut is made of high-quality steel
- Designed for ER40 clamping collet holders.
- Before mounting in the holder, the collet must be inserted into the nut.
Technical data:

| Parameter | Value | Unit |
|---|---|---|
| D | 63 | mm |
| L | 25.5 | mm |
| M | M50 x 1.5 | mm |
| Weight | 0.3 | kg |
Assembly of collets in nuts:
| | ||
| Assembly of clamping collet in the holder nut | Collet correctly installed | Disassembly of clamping collet |
To properly install the ER clamping collet into the holder, you should:
- Insert the collet at an angle into the nut
- Hook the collet slot onto the eccentric or cylindrical projection 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


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