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Tap extension, Type: 4
Article no.: 338405 4
Article code:
Product details
Technical Data
| for thread nominal ⌀ d1 DIN 371 | M4.5 − M6 | |
| for thread nominal ⌀ d1 DIN 374/376 | M8 | |
| for thread shank ⌀ d2 | 6 mm | |
| for square K1 | 4,9 mm | |
| for clamping length l1 | 26 mm | |
| Extension ⌀ D3 | 7 mm | |
| Extension ⌀ D4 | 12,1 mm | |
| Extension K2 | 5,5 mm | |
| Extension L2 | 60 mm | |
| Extension L3 | 130 mm | |
| Type of product | Extension |
Identification & Classification
| Article number | 338405 4 | |
| EAN / GTIN | 4067263108177 | |
| Manufacturer number | 338405 4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com |
Description
Version:
- Long and extra long version.
- The front end of the extension acts as a collet. The collet is clamped to the tap by hand-tightening the knurled clamping nut.
- The drive torque is provided by the square drive.
- The rear part of the extension is to DIN, so that the extension can be mounted in quick-change tapping collets or ER tapping collets with a square drive.
Application:
For tapping in confined places, such as recesses, offsets, sharp edges on jigs, extremely deep internal threads, or directly into casting walls.
Note:
Alternative hexagon collet for fixing the tap available on request.