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Cat. No.:
Tap extension with HB flat, Type: 6
Article no.: 338425 6
Article code:
Product details
Technical Data
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Gewindebohrer-Verlängerung mit HB-Fläche | |
| Holder type | Plain shank | |
| Holder shape | with longitudinal slot | |
| Holder version | metric | |
| Holder size, metric | 0080 mm | |
| Holder tolerance class | h6 | |
| Shank diameter | 8 mm | |
| Shank length | 60 mm | |
| Holder diameter, ISO tolerance class | 8 mm | |
| Holder diameter, upper dimension | 8.015 mm | |
| Holder diameter, lower dimension | 7.991 mm | |
| Shank type | HB | |
| Gauge length | 130 mm | |
| External diameter, tool-end | 8 mm | |
| Body length (tool side) | 60 mm | |
| Interface | joint 1; joint 2 | |
| Type of product | toolholder extension | |
| Overall length | 130 mm | |
| Overall height | 8 mm | |
| Overall width | 8 mm | |
| Standard | DIN 69882-3 | |
| Through-coolant available | no | |
| Weight | 0.084 kg | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 338425 6 | |
| EAN / GTIN | 4067263109730 | |
| Manufacturer number | 338425 6 | |
| 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 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.
h6 shank with Weldon flat for use in Weldon/shrink-fit chucks or hydraulic chucks.
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.