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”4 in 1” drilling and turning tool 2.25×D, left-hand, ⌀ DC: 25mm
Article no.: 268409 25
Article code:
- Through-coolant: yes
Product details
Technical Data
| Series | “4 in 1” | |
| Nominal ⌀ D | 25 mm | |
| Application type | left-hand | |
| Through-coolant | yes | |
| Overhang LA | 73 mm | |
| Shank length Ls | 60 mm | |
| Reach L1 | 56 mm | |
| Shank ⌀ Ds | 32 mm | |
| ⌀ d2 | 40 mm | |
| suitable indexable insert | ZCMX 13.. | |
| Set of insert screws | 269028 45 (IP20; 5 Nm) | |
| Type of product | Boring bar |
Identification & Classification
| Article number | 268409 25 | |
| EAN / GTIN | 4062406392659 | |
| Manufacturer number | 268409 25 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
Plain shank with collar.
Application:
1. Facing of end faces.
2. Drilling (drilling out and drilling from solid) – flat drilled hole end.
3. Internal longitudinal turning.
4. External longitudinal turning.
2. Drilling (drilling out and drilling from solid) – flat drilled hole end.
3. Internal longitudinal turning.
4. External longitudinal turning.
Note:
- Choose corner radii and toolholder size as large as possible.
- Drilling tolerance + 0.15 mm (for drilling processes with a driven tool).
- When drilling greater than nominal ⌀, residual material will remain.
- Always use internal cooling for drilling (at least 5 bar).