Tough Wera bits prevent the tip from breaking prematurely. Z-bits usually are the bit for universal screwdriving applications.
- For recessed TORX® screws with securing pin
- TORX® bit with bore hole on the output side
- Tough for hard materials
- 1/4" hexagon drive (Wera connecting series 4)

TORX® with borehole (BO)
TORX® tools with a borehole prevent the unauthorised unfastening of safety screws. The screws contain a pin that protrudes into the drive profile so that “normal” TORX® tools cannot be used. This pin fits into the borehole of TORX® BO tools allowing safety screws to be unfastened.
Tough bits

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Part number
05073070001
05073071001
05073072001
05073073001
Article Detail
2 x TX 20x70
2 x TX 25x70
2 x TX 30x70
2 x TX 40x70
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Premium bits for TORX® socket screws. The hole in the bit and the pin in the TORX® BO screw prevent unauthorized loosening. Safety connection. Tough, for universal use. 1/4" hexagonal, suitable for holding tools as per DIN ISO 1173-D 6.3.


