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Self-tightening high-performance drill chuck with MT shank, MT shank: 4
Article no.: 341122 4
Article code:
Product details
Technical Data
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | no | |
| Manufacturer’s designation | Selbstspannendes Hochleistungs-Bohrfutter mit MK-Schaft, MK-Schaft: 4 | |
| Interface position | on the machine; on the workpiece | |
| Holder type | morse taper MT | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 4 | |
| Type of mounting | spigot | |
| EX area | no | |
| Interface on machine side | MK 4 | |
| Min. clamping diameter D1 | 1 mm | |
| Max. clamping diameter D1 | 13 mm | |
| Gauge length A | 85.5 mm | |
| External diameter, on the tool side D | 50 mm | |
| Drill head length closed L1 | 99 mm | |
| Drill head length open L1 | 86.5 mm | |
| Format | short | |
| Interface | joint 1; joint 2 | |
| Type of product | drill chuck | |
| Standard | DIN 238 | |
| Through-coolant available | no | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 341122 4 | |
| EAN / GTIN | 4045197880758 | |
| Manufacturer number | 341122 4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- Drill chuck and MT shank are a single unit.
- High concentricity, optimum stability.
- Easy and quick change due to short design, advantageous for confined working areas.
High performance precision three-jaw drill chucks. High concentricity, keyless, self-tightening, high clamping force. Easily released by hand. Wearing parts hardened and exchangeable.
Application:
For bench and pillar drilling machines, milling machines, lathes, for use with arbors No. 342300 − 342850 or directly on machine spindles.
Standard:
DIN 238
Note:
The self-tightening effect works only for clockwise rotation.
Warning:
Intended use
Reasonably foreseeable misuse
- For both industrial and private use.
Reasonably foreseeable misuse
- Do not use in explosion hazard areas.
- Do not make any unauthorised modifications.
- Do not subject it to blows, impacts or heavy loads.
- Not for use in areas where high concentrations of dust, flammable gases, vapours or solvents are present.
- Not for anti-clockwise rotating tools.
- Not for use as a workpiece clamping device.