Tap extension with quick-release chuck, Type: 2

Article no.: 338460 2
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Product details

Technical Data

for thread nominal ⌀ d1 DIN 371 M3
for thread nominal ⌀ d1 DIN 374/376 M4.5 − M5
for thread shank ⌀ d2 3.5 mm
Extension ⌀ D3 12 mm
Extension ⌀ D4 12 mm
Extension K2 9 mm
Extension L2 45 mm
Extension L3 145 mm
Type of product Extension

Identification & Classification

Article number 338460 2
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EAN / GTIN 4045197953094
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Manufacturer number 338460 2
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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 version.
  • Torque transmission via the square shank.
  • The leading end of the extension is fitted with a quick-release chuck.
  • The rear end of the extension is to DIN, so that the extension can be mounted either in a quick-change tapping head or in an ER collet for taps with a square shank.

Advantage:

  • Time-saving exchange of taps with repetition accuracy and quick-change adapter.
  • Almost any combination of extensions available, due to the identical diameter D3 and drive square K2.

Application:

For tapping in confined places, such as recesses, offsets, sharp edges on jigs, extremely deep internal threads, or directly into casting walls.

Suitable for:

For mounting in quick-change tapping collets or ER tapping collets with a square drive.

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