5/16in Hex Shank, 5/16in Hex Screwdriver Bit 125mmL

Genius Tools Hex Screwdriver Bit 5/16 Inch Size, 5/16 Inch Hex Shank Drive, 125mm Length, Durable Construction - 3620 Professional Hex Screwdriver Bit This 5/16 inch hex screwdriver bit is built for consistent fit and repeatable performance in professional hand tool setups. With a 5/16 inch hex shank and a 125mm overall length, it balances reach with control for day-to-day service work and repair tasks. Manufactured from High Speed Steel and heat treated for a tough exterior and strong core, it is designed to resist wear under heavy use while offering anti-corrosive properties. Permanent size stamping helps keep tool organization clear and fast when working across multiple bit sizes. Key Benefits 5/16 inch hex screwdriver bit pairs with a 5/16 inch hex shank. 125mm overall length supports controlled reach in tight or recessed fasteners. High Speed Steel construction delivers strength, durability, and anti-corrosive properties. Heat-treated design provides a tough exterior and strong inner core. Stamped size marking enables quick identification and cleaner tool organization. Meets or exceeds ANSI standards for dependable, consistent tool performance. SKU 3620 is designed for professional technicians who need a durable hex screwdriver bit that stays identifiable, resists corrosion, and holds up to repeated use. The combination of High Speed Steel, heat treatment, and ANSI compliance supports long-term reliability in demanding hand tool environments.