851/4 BTH bits, PH 1 x 50 mm

BiTorsion bits for Phillips screws with elastic 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; ¼” hexagon, suitable for holders as per DIN ISO 1173-F 6.3.