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The WIHA 70325 is a No. 2 square-drive power screwdriver bit designed for use with impact drivers, electric screwdrivers, and drill-drivers equipped with a standard 1/4 inch hex chuck. The bit measures 3.5 inches in overall length, providing added reach in confined spaces or when driving fasteners through thick material. Sold in a 2-piece pack, the 70325 is suited for electricians, HVAC technicians, plumbers, and general tradespeople who rely on square-drive fasteners in panel work, equipment mounting, and rough-in applications.
Square-drive bits are common in electrical enclosures, junction boxes, and prefabricated assemblies where Robertson-style fasteners are specified. The 3.5 inch length gives clearance when working inside enclosures or framed cavities. The 1/4 inch hex shank seats securely in any standard power tool bit holder, reducing slippage during high-torque driving. This 2-pack format supports tool bag stocking and minimizes downtime when a bit wears in the field.
Designed for use in any power tool or hand driver with a standard 1/4 inch hex bit holder, including impact drivers, electric screwdrivers, and drill-drivers accepting No. 2 square-drive bits.
A licensed electrician or qualified tradesperson should ensure the circuit or equipment is de-energized before driving fasteners in or near live panels. Inspect the bit tip for wear before each use, as a worn square-drive tip can cam out and damage fastener heads. Use impact-rated bit holders when running the 70325 in an impact driver to reduce stress on the shank connection.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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