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ER collet, ER 20, Nominal clamping ⌀ d: 1mm
Article no.: 308930 1
Article code:
Product details
Technical Data
| Manufacturer’s designation | HOLEX ER-Spannzange | |
| Holder | ER 20 | |
| Clamping diameter D1 | 1 mm | |
| Min. clamping diameter D1 min | 0.5 mm | |
| Max. clamping diameter D1 max | 1 mm | |
| External diameter D | 21 mm | |
| Length of collet L | 31.5 mm | |
| Standard | DIN ISO 15488-B | |
| Material | steel | |
| Surface | ground; hardened; polished | |
| Concentricity ≤ | 10 µm | |
| Collet version | dead length collet | |
| Type of product | collet | |
| Content | single part |
Identification & Classification
| Article number | 308930 1 | |
| EAN / GTIN | 4045197151209 | |
| Manufacturer number | 308930 1 | |
| 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).