5/16in Hex Shank, #3 POSIDRIV Power Bit 72mmL

Genius Tools Power Bit 5/16 Inch Hex Shank #3 Posidriv Drive 72mm Length Durable S2 Steel - 277203 Power Screwdriver Bit This power screwdriver bit is built for professional fastening where consistent fit and torque transfer matter. It features a 5/16in hex shank, a #3 POSIDRIV drive, and a 72mm (2.83in) overall length for controlled reach in common shop and field work. Designed for long service life, the bit is heat treated for a tough exterior and strong core. The size is stamped for fast identification during tool organization, and it meets or exceeds ANSI standards for quality and performance. Key Benefits 5/16in hex shank provides secure retention and efficient torque transfer. #3 POSIDRIV drive helps maintain fit for accurate, stable fastening. 72mm (2.83in) length balances reach with control in tight areas. Made from high speed steel for strength, durability, and corrosion resistance. Heat-treated construction supports a tough exterior and strong inner core. Stamped sizing improves tool organization and speeds correct bit selection. Suited for technicians who rely on repeatable results, this bit combines professional-grade construction with practical details that reduce downtime. From the stamped identification to the heat-treated build and ANSI-aligned performance, it's made to hold up under heavy use while staying easy to manage in your tool setup.