5/16in Hex Shank, 7mm Hex Screwdriver Bit 30mmL

Genius Tools Hex Screwdriver Bit 7mm Size, 5/16 Inch Hex Shank Drive, 30mm Length, Durable Steel Construction - 4147, Hex Screwdriver Bit This 7mm hex screwdriver bit is built for consistent fit and dependable drive engagement in professional hand tool setups. With a 5/16 inch hex shank and a compact 30mm overall length, it is well suited for controlled fastening where bit stability and clear size identification matter. Constructed from High Speed Steel and heat treated for strength, the bit is designed to handle repeated use while maintaining durability and corrosion resistance. Permanent size stamping supports fast selection and tool organization in busy work areas. Key Benefits 7mm hex screwdriver bit profile supports accurate fit and controlled fastening. 5/16 inch hex shank drive offers secure compatibility with common holders. 30mm overall length helps access tight spaces without excess overhang. High Speed Steel construction provides strength, durability, and anti-corrosive properties. Heat-treated design delivers a tough exterior with a strong inner core. Stamped size markings enable quick identification and better tool organization. Meets or exceeds ANSI standards for quality and performance consistency. SKU 4147 is designed for technicians who prioritize durable materials, clear size marking, and heat-treated strength in compact hex screwdriver bits.