1/4in Hex Shank, T-40 Tamperproof Star Bit 200mmL

Genius Tools Tamperproof Star Bit T-40 Size 1/4 Inch Hex Shank 200mm Length High-Strength Drive - 7840 Screwdriver Bit This tamperproof star (Torx-style) screwdriver bit is built for consistent drive engagement and controlled torque transfer in professional hand tool setups. The 1/4in hex shank fits common bit holders and drivers, while the 200mm overall length helps reach fasteners in recessed or hard-to-access locations. Made from High Speed Steel, the bit is engineered for high strength, durability, and anti-corrosive performance. For fast identification in a busy toolbox, the size is permanently stamped, supporting organized storage and quick selection. Key Benefits T-40 tamperproof star tip supports secure engagement and reliable torque transfer. 1/4in hex shank fits standard holders for streamlined tool compatibility. 200mm overall length provides added reach for recessed or tight access points. High Speed Steel construction delivers strength, durability, and anti-corrosive properties. Heat-treated design combines a tough exterior with a strong inner core. Permanently stamped size marking enables quick identification and better tool organization. Designed and made for professional technicians, this bit is intended for long-term heavy use without compromising fit or performance. The heat treatment supports wear resistance over time, while the stamped sizing helps reduce mistakes when switching between similar bits during detailed or repetitive work.