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Third Ear 3/8 in Threaded Rod Nut Runner

$79.99 on Amazon.com (as of September 26, 2026, 6:20 AM EST) View details ↗

Engineered for electrical, plumbing, HVAC, and mechanical professionals, the Third Ear 3/8 in Threaded Rod Nut Runner is designed to streamline the process of hanging and leveling assemblies on all-thread rod. This impact-duty accessory drives 9/16 in hex nuts up 3/8 in threaded rod significantly faster than traditional hand-spinning methods, reducing the physical strain associated with long trapeze hangers and drop ceiling installations. Featuring a durable split-socket design, the tool allows you to slide the nut runner directly over a 3/8 in rod without removing the nut, enabling pre-assembled hangers to be reassembled quickly and efficiently.

Constructed with a rugged glass-filled nylon body and a reliable alloy steel socket, this nut driver incorporates an impact-rated neck specifically engineered to absorb the peak torque generated by impact drivers and prevent bit breakage during intensive use. The 1/4 in hex quick-change shank ensures seamless compatibility, securely seating into the chuck of standard impact drivers for optimal performance on the job site. Designed strictly for impact driver use, this professional-grade tool withstands repeated impact cycles in demanding commercial and industrial environments.

Ideal for strut channel, conduit, pipe hangers, and grid assemblies, the Third Ear nut runner delivers dependable functionality for daily trade applications. Please note that this accessory is built exclusively for 3/8 in threaded rod and 9/16 in hex nuts, and it is not intended for use with standard drills or on live electrical wires. By combining robust materials with specialized design, this impact nut driver provides a dependable solution for trade professionals seeking enhanced efficiency when managing large-scale hanging operations.

Thread Size Compatibility3/8 in
Hex Nut Size9/16 in
Shank Type1/4 in hex quick-change
Lifting Capacity100 lbs
MaterialsGlass-filled nylon body with alloy steel socket
Can this nut runner be used with a standard drill?
No, this tool is designed exclusively for use with impact drivers and must not be used with standard drills.
Is the socket magnetic?
No, this nut runner is not magnetic.
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