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Article no.: 338405 8L
Tap extension, Type: 8L
Article no.: 338400 8L
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | no | |
| Manufacturer’s designation | Gewindebohrer-Verlängerung, Typ: 8L | |
| Interface position | on the machine; on the workpiece | |
| Holder type | plain shank | |
| Holder shape | smooth shank with square drive | |
| Holder version | metric | |
| Holder size, metric | 10 mm | |
| Type of mounting | spigot | |
| Shank diameter DS | 10 mm | |
| Length of shank LS | 80 mm | |
| Interface on machine side | plain shank | |
| Gauge length A | 150 mm | |
| Hole diameter on workpiece side D1 | 10 mm | |
| External diameter, on the tool side D | 15 mm | |
| Min. tool clamping length L3 min | 33 mm | |
| Format | long | |
| suitable for tapping | yes | |
| Size of tap, min. D1 | M10 | |
| Size of tap, max. D1 | M10 | |
| Interface | joint 1; joint 2 | |
| Type of product | toolholder extension | |
| Overall length L | 230 mm | |
| With width across flats | no | |
| Material | steel | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 338400 8L | |
| EAN / GTIN | 4045197336743 | |
| Manufacturer number | 338400 8L | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, 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 transmitted via 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.