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Cat. No.:
ER collet, ER 20, Nominal clamping ⌀ d: 1mm
Article no.: 308911 1
Article code:
Product details
Technical Data
| Series | 428 E | |
| Manufacturer’s designation | FAHRION ER-Spannzange | |
| Holder | ER 20 | |
| Clamping diameter | 1 mm | |
| Min. clamping diameter | 0.5 mm | |
| Max. clamping diameter | 1 mm | |
| External diameter | 21 mm | |
| Length of collet | 31.5 mm | |
| With cylindrical shoulder (face side) | no | |
| Shape | conical | |
| Taper angle | 16 degrees | |
| Standard | DIN ISO 15488-B | |
| Material | steel | |
| Surface | ground | |
| With thread | no | |
| Clamping profile | round | |
| With axial compensation | no | |
| With radial compensation | no | |
| Concentricity ≤ | 5 µm | |
| Collet version | dead length collet | |
| With seal | no | |
| Through-coolant available | no | |
| Tool pull-out protection | no | |
| Type of product | collet | |
| Content | single part |
Identification & Classification
| Article number | 308911 1 | |
| EAN / GTIN | 2050001767813 | |
| Manufacturer number | 13714010100 | |
| 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).