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Short drill chuck Form AD, SK 40, Clamping range: 0,3-8mm
Article no.: 673432
Catalog no.: 301425
Article code:
Product details
Technical Data
| Through-coolant | yes, with max. 50 bar | |
| Entry of cooling lubricant | with cooling lubricant entry, axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Kurzbohrfutter Form AD, SK 40, Spannbereich: 0,3-8mm | |
| Interface position | on the machine; on the workpiece | |
| Holder type | ISO taper; plain shank | |
| Interface coding | SKG04001195; ZYL00800115 | |
| Holder shape | steep taper DIN ISO 7388-1; plain shank | |
| Holder version | dimensionless nominal size with cooling; metric | |
| Holder size, metric | 8 mm | |
| Holder size, no dimensions | 40 | |
| Type of mounting | spigot; hole (internal mounting) | |
| Shank diameter DS | 8 mm | |
| Interface on machine side | SK 40 | |
| Min. clamping diameter D1 | 0.3 mm | |
| Max. clamping diameter D1 | 8 mm | |
| Gauge length A | 70 mm | |
| External diameter, on the tool side D | 35 mm | |
| Max. coolant pressure | 50 bar | |
| Interface | joint 1; joint 2 | |
| Type of product | SK keyless drill chuck | |
| Overall length L | 143.5 mm | |
| Standard | ISO 7388-1 | |
| Shape | AD | |
| With hole for RFID data carrier | yes | |
| Through-coolant available | yes | |
| Surface treatment | ground; sand blasted | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 673432 | |
| Catalog number | 301425 | |
| EAN / GTIN | 4045197932051 | |
| Manufacturer number | 301425 0,3-8 | |
| Article class | 31B | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
For clockwise and anticlockwise rotation.
With Balluff/RFID chip bore. Maximum radial run-out ≤ 20 µm.
Sandblasted and ground.
With Balluff/RFID chip bore. Maximum radial run-out ≤ 20 µm.
Sandblasted and ground.
- Slim design.
- Targeted coolant transfer to tools with IC.
- Optimum holding torques at the tool.
Supplied with:
Torx® chuck key with T-handle for high clamping force.
Optional extras:
Warning:
Intended use
Reasonably foreseeable misuse
- Use the device to clamp cylindrical tool shanks in machine spindles.
- The device is intended exclusively for clockwise and anti-clockwise rotation.
- Clamping range: 0.3 mm to 16 mm.
- Maximum speed: 25,000 rpm.
Reasonably foreseeable misuse
- Clamping of conical shanks.
- Clamping of square or similar shanks.
- Clamping of damaged shanks.
- Exceeding the maximum tightening torque (15 Nm).
- Exceeding the maximum speed (25,000 rpm).
- Use of extensions or tightening aids.