Genius Tools Star Screwdriver Bit T-40 Size 1/4 Inch Hex Shank 125mm Length Durable S2 Steel Drive – 6640

Genius Tools Star Screwdriver Bit T-40 Size 1/4 Inch Hex Shank 125mm Length Durable S2 Steel Drive – 6640 | Star (Torx) Screwdriver Bit

Built for consistent fit and controlled driving, this T-40 star screwdriver bit uses a 1/4" hex shank and a 125mm overall length to balance reach with stability. The stamped size marking supports quick identification during tool organization and repeat jobs.

Designed for professional technicians and heavy use, the bit is heat treated to create a tough exterior with a strong inner core. It also meets or exceeds ANSI standards, and is backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects.

Key Benefits

• T-40 star screwdriver bit with 1/4" hex shank for secure fit.
• 125mm (4.92") overall length supports reach while maintaining control in use.
• Made from High Speed Steel for strength, durability, and anti-corrosive properties.
• Heat-treated construction delivers a tough exterior and strong inner core.
• Size is permanently stamped for fast, accurate identification and organization.
• Meets or exceeds ANSI standards for dependable, professional-grade performance.
• Covered by Genius Tools Limited Lifetime Warranty against manufacturer defects.

SKU: 6640. This star (Torx) bit is suited to routine shop work where reliable engagement, consistent durability, and easy identification matter. The combination of heat treatment, High Speed Steel construction, and ANSI-aligned quality makes it a dependable choice for long-term toolkits.