243001 / 5/16in Hex Shank, #1 Philips Screwdriver Bit 30mmL

Genius Tools Screwdriver Bit 5/16 Inch Hex Shank #1 Phillips Drive 30mm Length Durable Steel - 1121, Professional Screwdriver Bit This professional screwdriver bit is built for consistent #1 Phillips drive engagement with a 5/16in hex shank. With an overall length of 30mm (1.18 inches), it fits compact spaces while maintaining stable control in hand tools and compatible bit holders. Made from High Speed Steel, it combines strength, durability, and anti-corrosive properties. Heat treatment enhances exterior toughness and inner core strength, and the stamped size marking supports fast, permanent identification in organized tool setups. Key Benefits 5/16in hex shank with #1 Phillips drive for secure bit retention. 30mm (1.18in) overall length supports compact access and controlled driving. High Speed Steel construction delivers high strength and long-term durability. Anti-corrosive properties help maintain performance in demanding shop environments. Heat treated for tough exterior wear resistance and strong inner core. Size stamped on the bit for fast, permanent identification and organization. Meets or exceeds ANSI standards for dependable professional tool performance. Its durable steel build and clear size marking make it a dependable choice for repeat, accurate fastening.