5/16in Hex Shank, 8mm Hex Screwdriver Bit 125mmL

Genius Tools Hex Screwdriver Bit 8mm Size, 5/16 Inch Hex Shank Drive, 125mm Length, Durable Construction - 4648, Hex screwdriver bit This 8mm hex screwdriver bit is built for consistent fit and repeatable fastener engagement in professional hand tool setups. With a 5/16 inch hex shank drive and 125mm overall length, it's designed to reach into tighter spaces while maintaining stable bit control. Made from High Speed Steel and heat treated for a tough exterior with a strong inner core, it supports long-term use in demanding environments. Size markings are stamped directly on the bit to keep identification quick and permanent during daily tool organization. Key Benefits 8mm hex screwdriver bit with 5/16 inch hex shank drive compatibility. 125mm overall length helps reach recessed fasteners with improved control. High Speed Steel construction supports strength, durability, and anti-corrosive properties. Heat-treated design provides tough exterior and strong inner core for longevity. Stamped size marking enables fast, permanent identification in tool storage. Meets or exceeds ANSI standards for consistent quality and performance expectations. SKU 4648 is engineered as a professional-grade bit for technicians who rely on durable materials and repeatable performance. The combination of High Speed Steel, heat treatment, and clear size stamping supports efficient workflow, dependable identification, and long service life in everyday heavy use.