This 12-piece Impact Screwdriver Set is a hand tool collection designed for driving and loosening stubborn screws by combining a robust screwdriver shaft with controlled hammer impacts. The set’s primary use is for maintenance, assembly and repair tasks where stuck, rusted or over-tightened slotted, Phillips and Pozidriv screws must be released without damaging the fastener head or surrounding material.

Each screwdriver in the set is manufactured from chrome-vanadium (Cr-V) steel and heat-treated for improved tip hardness and torsional strength. Blades are finished with a satin chrome plating to give corrosion resistance and provide smooth insertion into screw heads. Tips are precision machined to recognised DIN/ISO tip profiles and dimensional tolerances to ensure accurate fit with corresponding screw types; nominal drives include flat (slotted), cross-head (Phillips) and Pozidriv forms to match common fastener standards. The impact driver mechanism features a hardened striking cap/shaft designed to accept hammer blows and convert axial impact into rotational torque with a shock-resistant handle to protect the operator’s hand.

Typical applications include vehicle and plant maintenance, machinery servicing, HVAC and plumbing, construction site repairs and general workshop use where high starting torque is required to free corroded or jammed screws. The set is particularly useful in automotive and marine environments where corrosion and thread seizure are more likely, and in industrial maintenance where quick, reliable removal of fasteners saves downtime.

Key benefits of this set are the increased ability to release seized screws using hammer impact rather than excessive manual force, improved tip engagement thanks to accurately formed tips, and extended service life through heat treatment and chrome finish that gives good resistance to rust. Compatibility with slotted, Phillips and Pozidriv screw heads makes the set versatile across British Standard and international fasteners.

Duchy Fasteners stocks this DR22322 12pc impact screwdriver set and a wider range of individual impact drivers and multi-piece sets in various sizes and pack quantities to suit professional and trade requirements. If you need alternative sizes or single-tool options, please contact us for current stock availability.