Genius Tools Hex Screwdriver Bit 8mm Size 5/16 Inch Hex Shank 56mm Length Durable Steel Construction – 4348

Genius Tools Hex Screwdriver Bit 8mm Size 5/16 Inch Hex Shank 56mm Length Durable Steel Construction – 4348 Professional Screwdriver Bit

SKU: 4348. This 8mm hex screwdriver bit features a 5/16" hex shank and a 56mm (2.2") overall length, supporting controlled engagement and reliable fit with compatible drivers.

Built from High Speed Steel and heat treated for added strength, it’s designed for long-term durability, corrosion resistance, and consistent performance in professional toolkits where quick identification and dependable standards matter.

Key Benefits

• 5/16" hex shank fits common holders for broad tool compatibility.
• 8mm hex bit profile supports accurate fastener engagement and steady torque transfer.
• 56mm (2.2") overall length balances reach and control in tight areas.
• High Speed Steel construction delivers strength, durability, and anti-corrosive protection.
• Heat-treated design provides a tough exterior with strong inner core.
• Stamped size markings enable fast identification and better tool organization.
• Meets or exceeds ANSI standards and includes a limited lifetime warranty.

Designed for professional technicians, this screwdriver bit emphasizes dependable fit, long service life, and easy size recognition. The combination of High Speed Steel construction, heat treatment, and stamped markings helps maintain performance across repeated use while keeping tools organized and compliant with recognized ANSI quality expectations.