223040 / 5/16in Hex Shank, T-40 Star Screwdriver Bit 30mmL

Genius Tools Star Screwdriver Bit T-40 Size 5/16 Inch Hex Shank 30mm Length Durable Design - 6240, Star (Torx) Screwdriver Bit SKU: 6240. This T-40 star (Torx) screwdriver bit features a 5/16 inch hex shank and a compact 30mm overall length (1.18 inches) for controlled fastening in professional hand tool and bit holder setups. Built from high speed steel and heat treated, the bit is engineered for high strength, durability, and long-term resistance to corrosion. Size markings are stamped directly on the bit to support fast, accurate identification in a tool box or shop environment. Key Benefits T-40 star tip with 5/16 inch hex shank for secure fitment. 30mm (1.18 inches) overall length supports compact, controlled tool access. High speed steel construction provides strength, durability, and anti-corrosive performance. Heat-treated design delivers tough exterior and strong inner core for longevity. Stamped size marking enables quick, permanent identification during tool organization. Meets or exceeds American National Standards Institute (ANSI) standards for consistency. Designed and made for professional technicians, this bit is built to perform over a lifetime of heavy use. Its hardened, corrosion-resistant high speed steel body and clearly stamped sizing help maintain reliable performance and efficient tool management across repeated, demanding fastening tasks.