High quality bits for Phillips screws with tiny diamond particles on the bit tip. This ensures a secure fit of the bit in the screw, reduces the contact pressure required and lowers the risk of slipping. Comes 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

For Phillips screws
BiTorsion zone to absorb peak loads
Diamond coating for a secure fit in the screw, literally bites into the screwhead to prevent cam-out
1/4" hexagon drive (Wera connecting series 1)
Take it easy tool finder: colour coding according to profile and size

851/1 BDC bits, PH 3 x 25 mm

DIN 3126-C6.3, ISO 1173 (Drive); DIN 5260-PH, ISO 8764-PH (Tip)