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Manufacturer number:
ER collet chuck, ultra-short, BT 40, for ER collet size: 25
Article no.: 302875 25
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- Arbor standard: ISO 7388-2; JIS B6339
- Shape: AD
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity: ≤ 3
- Machining strategy: HSC
Product details
Technical Data
| Clamping ⌀ D1 | 1-16 mm | |
| Adapter | BT 40 | |
| Arbor standard | ISO 7388-2; JIS B6339 | |
| Shape | AD | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity | ≤ 3 µm | |
| Machining strategy | HSC | |
| Overhang dimension A | 33 mm | |
| External ⌀ D | 27 mm | |
| Width across flats AF | 24 mm | |
| Type of product | Collet chuck |
Identification & Classification
| Article number |
302875 25
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|
| EAN / GTIN |
4062406114435
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|
| Manufacturer number |
302875 25
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| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
Taper ground internally and externally. Ultra-short type with internal precision clamping nut. Best suited to working in restricted working areas, with higher stability.
Application:
For clamping tools with parallel shank in collets to DIN 6499 − Form A and B.
Supplied with:
ER clamping nut (internal).
Optional extras:
ER collets No. 308881 − 309434, pull studs (PS) No. 308760 − 308802, PS wrenches No. 308820 – 308835.
Note:
Matching clamping nut No. 309621.