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Heavy-duty chuck, SK 40, ⌀ D1: 20mm
Article no.: 521330
Catalog no.: 300775
Article code:
Product details
Technical Data
| Entry of cooling lubricant | with cooling lubricant entry, decentrally via collar and axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric | |
| Cooling lubricant | yes | |
| Interface position | on the machine; on the workpiece | |
| Holder type | ISO taper; plain shank | |
| Interface coding | SKG04001795; ZYL02000115 | |
| Holder shape | with central and decentralised cooling lubricant transfer; plain shank | |
| Holder version | dimensionless nominal size with cooling; metric | |
| Holder size, metric | 20 mm | |
| Holder size, no dimensions | 40 | |
| Type of mounting | spigot; hole (internal mounting) | |
| Shank diameter DS | 20 mm | |
| Interface on machine side | SK 40 | |
| Max. clamping diameter D1 | 20 mm | |
| Gauge length A | 90 mm | |
| External diameter, on the tool side D | 52 mm | |
| Concentricity | 5 µm | |
| Balance quality G at rotational speed | g 6.3 at 20,000 rpm | |
| Machining strategy | HPC | |
| Max. clamping force | 500 Nm | |
| Interface | joint 1; joint 2 | |
| Type of product | heavy-duty chucks | |
| Overall length L | 158.4 mm | |
| Standard | ISO 7388-1 | |
| Shape | AD | |
| Through-coolant available | yes | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 521330 | |
| Catalog number | 300775 | |
| EAN / GTIN | 4045197550866 | |
| Manufacturer number | 300775 20 | |
| Article class | 32A | |
| 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.