Article no.: 334644 M3-12

Quick-change tapping head MT2 M3-12 HOLEX

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on request
In stock
128 pieces in stock
Brand: HOLEX


Technical Data

Tapping range M3 − M12
Adapter MT2
Length compensation by compression 7,5 mm
Length compensation by tension 7,5 mm
External ⌀ D 38 mm
Internal ⌀ D1 19 mm
Overhang dimension A 46 mm
Type of product Tapping head
Article number 334644 M3-12
EAN / GTIN 4045197606693



  • Compact design, with flexible length compensation by compression and tension.
  • Adjustable lead-in pressures for different materials and taps.

Morse taper DIN 228 B.


  • To produce threads that are true to gauge.
  • For right-hand and left-hand thread.
  • For NC machines and machining centres.

Optional extras:

See No. 335420335660 for quick-change tapping collets.


  • Quick-change tapping heads in other shank types size M14 − M33 available on request.
  • Quick-change tapping heads not suitable for internal coolant supply.

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