Wera 851/4 BTH bits, PH 3 x 50 mm

Features

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.

• For Phillips screws
• BiTorsion zone to absorb peak loads
• Considerable reduction in the risk of breakage, significant increase in service life
• Particularly hard for semi-hard materials
• 1/4" hexagon drive (Wera connecting series 4)