Genius Tools Hex Screwdriver Bit 5/16 Inch Hex Shank, 5/16 Inch Drive, 160mm Length, Durable S2 Steel Construction - 3720

Genius Tools Hex Screwdriver Bit 5/16 Inch Hex Shank, 5/16 Inch Drive, 160mm Length, Durable S2 Steel Construction - 3720 (Professional Hand Tool Bit)

Built for professional technicians, this 5/16" hex screwdriver bit combines a 5/16" hex shank with a 5/16" drive format and an extended 160mm (6.3") overall length for improved access in tight or recessed fastening points. Size markings are stamped for quick, permanent identification during daily use.

Manufactured from high speed steel and heat treated for a tough exterior with a strong inner core, it is designed for long-term durability and consistent performance. Anti-corrosive properties help maintain the bit’s condition over time, while meeting or exceeding ANSI standards for dependable shop-grade use.

Key Benefits

• 5/16" hex shank and 5/16" hex bit format for secure fitment.
• 160mm (6.3") overall length helps reach deeper, hard-to-access fasteners.
• High speed steel construction supports strength, durability, and anti-corrosive protection.
• Heat-treated design delivers a tough exterior and strong inner core.
• Permanently stamped size markings speed identification and improve tool organization.
• Meets or exceeds ANSI standards for consistent, professional-grade performance.
• Backed by Genius Tools Limited Lifetime Warranty against manufacturer defects.

SKU 3720 is designed and made for heavy, repeat use in professional environments. With durable materials, clear size stamping, and a heat-treated build, it supports efficient workflow and reliable fastening performance while maintaining tool condition over time.