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Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
Tapping head MLA IC 50 bar, Shank ⌀ 25 mm, Tapping range: M1-12
Article no.: 616720
Catalog no.: 338121
Article code:
- Through-coolant: yes, with max. 50 bar
Product details
Technical Data
| Tapping range | M1 - M12 | |
| Adapter | Shank ⌀ 25 mm | |
| Through-coolant | yes, with max. 50 bar | |
| Length compensation by compression | 0.2 mm | |
| Length compensation by tension | 1 mm | |
| External ⌀ D | 43 mm | |
| Internal ⌀ D1 | 20 mm | |
| Overhang dimension A | 34 mm | |
| suitable for ER size | 11 / 16 | |
| Type of product | Tapping head |
Identification & Classification
| Article number | 616720 | |
| Catalog number | 338121 | |
| EAN / GTIN | 4062406112219 | |
| Manufacturer number | 338121 M1-12 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- With minimum length adjustment (MLA), by means of a damping element.
- Increases tool life of taps by up to 300 %.
- Internal coolant supply up to 50 bar.
- Secure clamping for ER collets in quick-change tapping collets.
- Run-out of shank taper to the tapping collet taper < 3 µm.
Application:
On machining centres with synchronised spindles.
- For compensating the difference in pitch between tap and synchronised spindle.
- For compensating the pitch tolerances of taps.
Optional extras:
ER collets, see No. 308881-309240 (size ER11 / 16 / 25). ER tapping collets with square drive spigot, see No. 309399 - 309413 (Size ER 11 /16 / 25).
See No. 308600 - 308806 for pull studs.
See No. 309880 for coolant feed pipes for HSK.
See No. 309890 for plug-in sockets for HSK.
Quick-change tapping collets and extensions, see No. 338120 – 338142.
See No. 308600 - 308806 for pull studs.
See No. 309880 for coolant feed pipes for HSK.
See No. 309890 for plug-in sockets for HSK.
Quick-change tapping collets and extensions, see No. 338120 – 338142.
Note:
Maximum speed 4000 rpm.