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Standard keyway broaching toolholder ⌀ DS 20 mm, from slot width m: 3mm
Article no.: 290354 3
Article code:
- Through-coolant: yes
Product details
Technical Data
| Shank ⌀ | 20 mm | |
| Through-coolant | yes | |
| suitable for slot width m | 3 mm | |
| Reach L1 | 30 mm | |
| Tool holder ⌀ D1 | 7.8 mm | |
| Centre offset L3 | 4.2 mm | |
| Min. pre-drilling -⌀ Dmin | 8.36 mm | |
| Screw | 290399 1 | |
| Shank length Ls | 50 mm | |
| Shank | Combination shank | |
| Type of product | Keyway broaching and profile slotting tool |
Identification & Classification
| Article number | 290354 3 | |
| EAN / GTIN | 4045197926661 | |
| Manufacturer number | 290354 3 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Attention:
Always use the minimum pre-drill ⌀ to match the slot width (e.g. for slot width 14 mm, minimum pre-drill ⌀ = 38.22 mm).
Note:
- Individual holder sizes are for different slot widths. In such cases, where possible, always use the optimum combination of holder and cutting insert (identical size) for maximum stability.
- For lathes without Y-axis, please use eccentric bush No. 290391− 290393 for exact setting of the Y-coordinate.
- For machining centres, use the pull-up aid No. 290397 and a dial indicator to check the spindle orientation.