Wera 851/4 TZ SB bits

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High quality bits with Torsion zone – where kinetic energy is diverted from peak loads. This greatly extends the product service life. Tough viscous, for universal use. ¼” hexagon, suitable for holders as per DIN ISO 1173-F 6.3.

  • For Phillips screws
  • Ductile and tough for hard materials
  • Torsion design against premature wear
  • 1/4" hexagon drive (Wera connecting series 4)
  • Suitable for AEG, ARO, Atlas-Copco, Biax, Black & Decker, Bosch, Buckeye Tools etc.


TZ-Bits are tough bits with a torsion zone. Torsion bits absorb the damaging peak torque loads in the torsion zone. This prevents premature wear and enhances the service life of the bits.

5134380001 851/4 TZ PH 2 x PH 1x50
5134381001 2 x PH 2x50
5134382001 2 x PH 3x50

Specifications for Wera 851/4 TZ SB bits

Select 05134380001 or 05134381001 or 05134382001

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