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Heavy-duty chuck, SK 50, ⌀ D1: 20mm
Article no.: 300778 20
Article code:
- Arbor standard: ISO 7388-1
- Shape: AD
- Balance quality G at rotational speed: G 6.3 at 15,000 rpm
- Concentricity: ≤ 5
- Machining strategy: HPC
Product details
Technical Data
| Clamping ⌀ D1 | 20 mm | |
| Adapter | SK 50 | |
| Arbor standard | ISO 7388-1 | |
| Shape | AD | |
| Balance quality G at rotational speed | G 6.3 at 15,000 rpm | |
| Concentricity | ≤ 5 µm | |
| Machining strategy | HPC | |
| Overhang dimension A | 90 mm | |
| Collet outer ⌀ D | 52 mm | |
| Clamping force up to | 500 Nm | |
| Suitable C-hook (pin) spanner No. 628400 | 52 / 55 | |
| Type of product | Heavy-duty chuck |
Identification & Classification
| Article number | 300778 20 | |
| EAN / GTIN | 4045197550873 | |
| Manufacturer number | 300778 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- Low friction due to needle bearings.
- Protected with anti-corrosion coating.
- Dust-tight and watertight.
- Very high clamping force prolongs tool life and improves surface quality.
- Flexible clamping range by means of collets.
Application:
For clamping tools with plain shanks.
Supplied with:
Clamping nut.