Klein Tools Nut Driver 5/16-Inch Hex Size 3-Inch Shaft Cushion Grip Chrome Plated Steel

Klein Tools Nut Driver 5/16-Inch Hex Size 3-Inch Shaft Cushion Grip Chrome Plated Steel

Professional-Grade Nut Driver for Electrical and Construction Applications

The Klein Tools Nut Driver 5/16-Inch delivers professional-grade fastening performance for electrical and construction applications. This chrome-plated steel nut driver features a 3-inch hollow shaft designed for electricians, contractors, and maintenance professionals, providing the reliable performance and industry-leading quality that tradesmen demand from America's most trusted tool manufacturer.

Professional Features & Benefits

Premium Construction & Durability

• Premium Chrome Plating - Provides smooth operation and superior corrosion resistance for long-lasting professional use
• Full Hollow Shaft Design - Facilitates work on stacked circuit boards and long bolt applications with 3-inch reach
• Internal Flanges - Provide solid, twist-resistant shaft anchor for maximum torque transfer and tool longevity
• Made in USA Quality - American craftsmanship ensures consistent performance and reliability for professional applications

Ergonomic Design & Safety

• Cushion-Grip Handle - Allows for greater torque application and enhanced comfort during extended use
• Color-Coded Handle End - Provides easy size identification for quick tool selection in professional environments
• Tip-Ident System - Quickly identifies nut driver size for efficient workflow and reduced downtime

Professional Standards & Compliance

• ASME/ANSI Compliance - Meets or exceeds applicable specifications for professional tool standards
• Standard Length Design - Optimized for most applications while fitting over long bolts and studs

Technical Specifications

Hex Size: 5/16-inch, Shaft Length: 3 inches (7.6 cm), Overall Length: 6.75 inches (17.2 cm), Width: 2.37 inches, Height: 0.9 inches, Weight: 0.2 lbs, Handle Material: Cushion-Grip rubber, Construction: Chrome-plated steel, Finish: Premium chrome plating, Insulation: Not insulated (not for electrical shock protection)

Installation & Usage

1. Select appropriate 5/16-inch hex nuts or bolts for your application
2. Position nut driver squarely on fastener head to prevent slipping and damage
3. Apply steady downward pressure while turning to ensure proper engagement
4. Utilize Cushion-Grip handle for maximum torque transfer and comfort
5. Take advantage of hollow shaft design for long bolt and stud applications
6. Always wear approved eye protection during use as tool is not insulated

Professional Applications

Ideal for:

• Electrical Installation - Panel assembly, conduit mounting, and electrical box installation with 5/16-inch fasteners
• Construction Work - Structural assembly, hardware installation, and general construction fastening applications
• HVAC Systems - Equipment mounting, ductwork assembly, and mechanical system installation
• Industrial Maintenance - Equipment repair, machinery assembly, and facility maintenance tasks
• Telecommunications - Equipment rack assembly, cable management systems, and infrastructure installation
• Automotive Applications - Engine work, chassis assembly, and mechanical repair tasks
• Appliance Repair - Service work on household and commercial appliances with hex fasteners
• Circuit Board Work - Stacked board applications utilizing full hollow shaft design

Hollow Shaft Advantage

Klein Tools hollow shaft engineering provides superior access for specialized applications including stacked circuit boards, long bolt installations, and threaded rod work. The full hollow design allows the driver to slide over extended fasteners while maintaining tool strength and precision, making it essential for electrical panel work and electronic assembly applications.

Why Choose Klein Tools Quality?

Since 1857, Klein Tools has maintained its commitment to American manufacturing excellence and professional tool innovation. Each nut driver undergoes rigorous testing to meet ASME/ANSI specifications, ensuring the precision, durability, and safety standards that electrical professionals and contractors depend on for critical applications and long-term reliability.