851/4 TZ SB bits, PH 1 x 50 mm, 2 pieces

High quality bits with Torsion zone – where kinetic energy is diverted from peak loads. This greatly extends the product service life. Tough viscous, for universal use. 1/4" hexagon, suitable for holders as per DIN ISO 1173-F 6.3.

• For Phillips screws
• Ductile and tough for hard materials
• Torsion design against premature wear
• 1/4" hexagon drive (Wera connecting series 4)
• Suitable for AEG, ARO, Atlas-Copco, Biax, Black & Decker, Bosch, Buckeye Tools etc.