851/1 BTH bits, PH 3 x 25 mm
High quality bits for Phillips screws with Torsion zone – where kinetic energy is diverted from peak loads – and softer BiTorsion zone to prevent the bit tip from twisting under peak loads. This greatly extends the product service life. Extra-hard design, 1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.
- For Phillips screws
- Particularly hard for semi-hard materials
- BiTorsion zone to absorb peak loads
- 1/4" hexagon drive (Wera connecting series 1)
- Take it easy tool finder: colour coding according to profile and size
