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Tap extension with HB flat, Type: 1

Article no.: 338420 1
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Product details

Technical Data

for thread nominal ⌀ d1 DIN 371 M2 – M2.6
for thread nominal ⌀ d1 DIN 374/376 M4
for thread shank ⌀ d2 2.8 mm
Extension ⌀ D3 6 mm
Extension K2 4.9 mm
Extension L2 60 mm
Extension L3 130 mm
Type of product Extension

Identification & Classification

Article number 338420 1
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EAN / GTIN 4045197812216
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Manufacturer number 338420 1
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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.

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.

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