3/16-Inch Insulated Nut Driver 6-Inch Hollow Shaft - Klein Tools

The Klein Tools 646-3/16-INS is a professional-grade 3/16-Inch Insulated Nut Driver featuring a 6-inch hollow shaft, engineered for technicians working in environments where electrical safety is paramount. This tool combines robust insulation with practical design, providing reliable protection against electric shock in demanding automotive and industrial applications.

Key Features

• Certified Electrical Safety: Individually tested to exceed IEC 60900 and ASTM F1505 standards for insulated tools, clearly marked with the official 1000-volt rating symbol for verifiable protection.
• Dual-Layered Insulation: Features a thick, high-dielectric white inner coating bonded with a flame-retardant, impact-resistant bright orange outer coating, offering superior defense against electrical hazards.
• Hollow Shaft Design: The 6-inch hollow shaft allows professionals to easily work on long bolt applications, stacked circuit boards, and other recessed fasteners, increasing versatility in complex assemblies.
• Enhanced Grip and Torque: Cushion-Grip™ handles are engineered for optimal comfort, enabling greater torque application while minimizing hand fatigue during extended use.
• Quick Identification: Tip-Ident® markings on the handle end provide rapid and clear identification of the nut driver size, streamlining tool selection on the job.
• Professional-Grade Construction: Manufactured in the USA, ensuring a durable tool built to withstand the rigors of daily professional use in various demanding environments.

Applications

This insulated nut driver is an indispensable tool for automotive technicians servicing hybrid and electric vehicles, industrial electricians, and maintenance professionals who frequently work on live electrical panels, control systems, or sensitive electronic components. Its hollow shaft design is particularly advantageous for accessing deep-set fasteners, threaded rods, and terminals found in motor assemblies, switchgear, and complex circuit board layouts where standard drivers may not reach.