Genius Tools Hex Screwdriver Bit 8mm Size, 5/16 Inch Hex Shank Drive, 30mm Length, Durable Construction - 4148

Genius Tools Hex Screwdriver Bit 8mm Size, 5/16 Inch Hex Shank Drive, 30mm Length, Durable Construction - 4148 | Hex screwdriver bit

This 8mm hex screwdriver bit is built for consistent fit and torque transfer in demanding hand-tool and driver applications. With a 5/16 inch hex shank drive and a compact 30mm overall length (1.18 inches), it’s designed for controlled, professional work where tool access and durability matter.

Manufactured from High Speed Steel and heat treated for a tough exterior with a strong inner core, it supports long-term use while helping resist corrosion. The size marking is stamped directly on the bit, making identification faster when organizing tool sets and reducing downtime between tasks.

Key Benefits

• 5/16 inch hex shank drive fits compatible holders and driver tools securely.
• 8mm hex tip supports accurate engagement for stable, repeatable fastener control.
• 30mm overall length (1.18 inches) suits compact spaces and precise handling.
• High Speed Steel construction delivers high strength, durability, and anti-corrosive performance.
• Heat-treated design provides a tough exterior with superior inner core strength.
• Stamped size marking enables quick identification for cleaner, faster tool organization.
• Meets or exceeds ANSI standards for dependable, professional-grade performance expectations.

Backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects, this bit is engineered for professional technicians who expect consistent results over years of heavy use. SKU 4148 keeps ordering and inventory straightforward while maintaining a clearly identified 8mm size in your tool lineup.