TH-Bits are hard 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.
851/4 TH bits
- For Phillips screws
- Particularly hard for semi-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.
Product features
TH-Bits

Product details
Facts and figures
Part number
05059855001
05059860001
05059865001
PH 1
PH 2
PH 3
50
50
50
2"
2"
2"
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Product description
High quality bits with Torsion zone - where kinetic energy is diverted from peak loads. This greatly extends the product service life. Extra-hard; ¼" hexagon, suitable for holders as per DIN ISO 1173-F 6.3.




