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Cat. No.:
ER collet with seal, ER 20, Nominal clamping ⌀ d: 7mm
Article no.: 308917 7
Article code:
Product details
Technical Data
| Manufacturer’s designation | 427 E | |
| Interface position | on the machine; on the workpiece | |
| Holder type | collet taper; plain shank | |
| Interface coding | SZD02000105; ZYL00700115 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 7 mm | |
| Shank diameter DS | 7 mm | |
| Holder | ER 20 | |
| Clamping diameter D1 | 7 mm | |
| External diameter D | 20.7 mm | |
| Length of collet L | 31.5 mm | |
| Shape | conical | |
| Taper angle α | 16 degrees | |
| Standard | DIN ISO 15488-A | |
| Material | steel | |
| Surface | hardened and ground | |
| Clamping profile | round | |
| Concentricity ≤ | 5 µm | |
| With seal | yes | |
| Through-coolant available | yes | |
| Interface | joint 1; joint 2 | |
| Type of product | collet | |
| Content | single part |
Identification & Classification
| Article number | 308917 7 | |
| EAN / GTIN | 4054631188602 | |
| Manufacturer number | 13754010700 | |
| 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.
Metallic sealed.
Corrosion protection: Collets fully coated with FAHRION Protect, including the functional faces.
Metallic sealed.
Description:
Coolant pressure: Can be used up to 120 bar.
Advantage:
The coating increases the service life of the collet and ensures full functionality and precision.
Note:
With seal for through-coolant only the nominal size can be clamped. Similar to ISO 15488-A.