Wera 851/1 21 PH Piece Impaktor Phillips Screwdriver Bit Set

The Wera 851/1 21 Piece Impaktor Phillips Screwdriver Bit Set is a professional-grade bit set engineered for use with impact drivers, combining diamond-coated tips and Impaktor technology to deliver exceptional durability and cam-out resistance.

The 20 PH2 bits feature a rough diamond-particle coating on the tip that literally bites into the screw head, providing enhanced grip and preventing slipping even under heavy impact loads. The Impaktor technology is specifically designed to withstand the extreme impulse peaks generated by impact drivers, offering an above-average service life compared to standard screwdriver bits. The 1/4" hexagon shank conforms to DIN ISO 1173-D 6.3, making the bits compatible with all standard bit holders and impact drivers.

The included Wera 897/4IMP R Impaktor Ring Magnet Holder adds further versatility to this set. Its double-torsion spring absorbs extreme impulse peaks, while the magnetic retaining ring holds long and heavy screws securely in position — ideal for overhead work where screw control is critical. The magnet can be removed from the screwdriving zone when working with metal, preventing any unwanted magnetic interference.

Colour-coded for quick identification via Wera's Take It Easy tool finder system, this set is well suited to carpenters, contractors, and tradespeople who rely on impact drivers for high-volume screwdriving applications.

Features and Benefits:
• Impaktor technology engineered for above-average service life with impact drivers
• Diamond-particle coating on bit tip prevents cam-out and biting into the screw head
• 1/4" hexagon shank compatible with standard bit holders per DIN ISO 1173-D 6.3
• Impaktor holder with double-torsion spring absorbs extreme impulse peaks
• Magnetic retaining ring holds screws securely for reliable one-handed positioning
• Magnet can be neutralised when working with metal
• Colour coding per Wera's Take It Easy tool finder for fast bit identification
• Suitable for overhead work

Contents:
20x Wera 851/1 Impaktor Phillips 25mm Screwdriver Bits: PH2
1x Wera 897/4IMP R Impaktor Ring Magnet Holder