1/4in Hex Shank, T-40 Tamperproof Star Bit 160mmL

Genius Tools Tamperproof Star Bit T-40 Size 1/4 Inch Hex Shank 160mm Length Precision Drive Durable Construction - 7740 Tamperproof Star Screwdriver Bit Built for professional hand tool kits, this tamperproof star screwdriver bit combines a T-40 tamperproof star profile with a 1/4in hex shank for secure drive compatibility. The 160mm (6.3in) overall length provides added reach while maintaining controlled, accurate engagement. Constructed from High Speed Steel and heat treated for strength, it is designed to handle heavy, repeated use. Size markings are stamped directly on the bit for fast identification and consistent tool organization in busy work environments. Key Benefits T-40 tamperproof star bit supports secure fasteners requiring a center pin. 1/4in hex shank fits standard bit holders and professional driver systems. 160mm overall length improves reach for recessed or hard-to-access fasteners. High Speed Steel construction delivers high strength, durability, and corrosion resistance. Heat-treated design creates a tough exterior with strong inner core support. Stamped size marking enables quick selection and permanent, easy identification. Engineered for technicians who rely on precision and consistency, this bit balances reach, strength, and clear identification in a single professional-grade piece. Its corrosion-resistant High Speed Steel build and heat-treated structure help maintain dependable performance over time, while ANSI compliance supports confidence in fit and durability.