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Article no.: 309043 12
ER collet, ER 40, Nominal clamping ⌀ d: 12mm
Article no.: 309040 12
Article code:
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Product details
Technical Data
| Interface position | on the machine | |
| Holder type | collet taper | |
| Manufacturer’s designation | 472 E | |
| Holder | ER 40 | |
| Clamping diameter D1 | 12 mm | |
| Min. clamping diameter D1 min | 11 mm | |
| Max. clamping diameter D1 max | 12 mm | |
| External diameter D | 41 mm | |
| Length of collet L | 46 mm | |
| Standard | DIN ISO 15488-B | |
| Surface | ground; hardened; polished | |
| Clamping profile | round | |
| Concentricity ≤ | 10 µm | |
| Interface | joint 1 | |
| Type of product | collet | |
| Content | single part |
Identification & Classification
| Article number | 309040 12 | |
| EAN / GTIN | 4045197151742 | |
| Manufacturer number | 309040 12 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
Through hardened and ground. Polished.
Note:
The collet clamping ⌀ range is always up to 1 mm less than nominal, e.g. ⌀ 10 − 9 mm, except for ⌀ 1, 1.5 and 2 (where it is only 0.5 mm).