Locking nut for ER20 collets | Type T1 hexagonal (DM 072)
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Description
Features and application:
- Made of high-quality steel.
- Designed for holders used with ER DIN 6499 collets.
- Before mounting in the holder, the collet must be inserted into the nut.
- Hexagonal nut for a 30 mm open-end wrench.
Technical data:

| Parameter | Value |
|---|---|
| D | 34 mm |
| L | 19 mm |
| M | M25 x 1.5 mm |
| Weight | 0.05 kg |
Installation of sleeves in nuts:
|
| ||
| Installing the collet in the collet nut | Collet correctly mounted | Dismounting the collet |
To correctly mount the ER collet in the collet:
- Insert the collet at an angle into the nut.
- Hook the collet's groove onto the eccentric or cylindrical projection of the nut (Fig. A).
- Press the collet into the nuts (Fig. B).
- Screw the nut with the pressed-in sleeve onto the holder so that the tool being processed can be secured.


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