Wera 897/4 Impaktor Heavy Duty Tri Torsion Bit Holder 75mm

The Wera 897/4 Impaktor Heavy Duty Tri Torsion Bit Holder is a professional-grade bit holder engineered to withstand the extreme demands of impact driver applications. Designed specifically for high-torque fastening tasks, this holder features Wera's innovative double-torsion spring technology that absorbs impulse peaks and protects both the bit and the fastener during operation. The stainless construction incorporates a secure retaining ring and integrated magnet, ensuring optimal bit retention whilst providing additional grip on screws. This robust design eliminates small mechanical components that are prone to failure in demanding environments, making it particularly suitable for industrial assembly applications including automated screwdriving systems and robotic assembly lines. The 75mm holder accepts standard 1/4" hexagon head drive bits conforming to DIN ISO 1173-C 6.3 and features a 1/4" hexagon drive compatible with power screwdrivers meeting DIN ISO 1173-F 6.3. The tri-torsio