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ER collet, ER 20, Nominal clamping ⌀ d: 12mm
Article no.: 308911 12
Article code:
- Standard: ISO 15488-B
- Concentricity: ≤ 5
Product details
Technical Data
| Nominal clamping ⌀ d | 12 mm | |
| Adapter | ER 20 | |
| Standard | ISO 15488-B | |
| Concentricity | ≤ 5 µm | |
| Type | 428 E | |
| External ⌀ D | 21 mm | |
| Overall length L | 31.5 mm | |
| Type of product | Collet |
Identification & Classification
| Article number | 308911 12 | |
| EAN / GTIN | 2050001766571 | |
| Manufacturer number | 13714011200 | |
| Manufacturer/responsible person | Eugen Fahrion GmbH & Co. KG Präzisions-Spannwerkze, Forststraße 54, 73667 KAISERSBACH, Germany, www.fahrion.de |
Description
Version:
Through hardened and ground.
Corrosion protection: Collets fully coated with FAHRION Protect, including the functional faces.
Corrosion protection: Collets fully coated with FAHRION Protect, including the functional faces.
Advantage:
The coating increases the service life of the collet and ensures full functionality and precision.
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).