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EAN / GTIN:
Manufacturer number:
ER mini collet holder cylindrical, for ER collet size: 20
Article no.: 300684 20
Article code:
- Through-coolant: yes
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity: ≤ 3
- Machining strategy: HSC
Product details
Technical Data
| for ER collets | 20 mm | |
| Through-coolant | yes | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity | ≤ 3 µm | |
| Machining strategy | HSC | |
| Clamping range | 1 mm - 13 mm | |
| External ⌀ D | 28 mm | |
| Shank ⌀ d | 20 mm | |
| Shank length L1 | 140 mm | |
| L2 | 29.5 mm | |
| Type of product | Collet chuck |
Identification numbers & Classifications
| Article number | 300684 20 | |
| EAN / GTIN | 4045197700841 | |
| Manufacturer number | 300684 20 |
Description
Version:
Cylindrical holder with ER nut.
Through hole for internal cooling provided.
Through hole for internal cooling provided.
Application:
For extending the reach of side lock arbors or collet chucks.
Optional extras:
Clamping wrenches No. 309740 and No. 309745.
ER collets No. 308878 − 309434, Spare ER nuts No. 309580; 309650.
ER collets No. 308878 − 309434, Spare ER nuts No. 309580; 309650.
Note:
Not suitable for shrink processes.