10PCS Wera Torsion Extra Hard Bit 25mm PH1 PZ1 PH2 PZ2 PH3 PZ3 for Impact Driver (PZ3)

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About 10PCS Wera Torsion Extra Hard Bit 25mm PH1 PZ1 PH2

Application: Phillips screws. Drive: 1/4'' hexagon, suitable for DIN 3126-D 6.3, ISO 1173 bit holders. Design: Torsion-style design to reduce premature wear, extra-hard, ideal for less demanding screwdriving jobs e.g. in wood. Wera TH Bits have a softer BiTorsion zone which reduces the hardness of the shaft by about 20% in comparison to the drive tip. This means that the peak loads that cause bit breakage and premature wear are absorbed in this zone something which enhances the service life of the bits. The effectiveness of the BiTorsion system comes from a combination of two shock-absorbing spring elements. Wera impact bits are needed when a strong power tool (e.g. 18 volt impact screwdriver) is used. Wera Phillips bits offer dependable work and a long product service life because of their high precision profile design and outstanding concentricity features. Wera Phillips bits have been designed for demanding applications in trade and industry. Wera Phillips bits permit the transfer of high torque loads and have a distinctively long service life.