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The MARSON M39301 is a 104-piece manual rivet nut tool kit designed for installing threaded steel rivet nuts by hand without power tools. The kit supports 6-32 and 10-24 thread sizes, making it suited for light fabrication, HVAC sheet metal work, electrical enclosure assembly, and general trade applications where a permanent, load-bearing threaded insert is needed in thin-gauge material. At 2.75 pounds, the kit is compact enough for a tool bag and does not require a pneumatic or battery-powered tool to operate.
This kit is used in applications where welding a nut is not practical and a standard through-bolt cannot be used due to single-sided access. Typical scenarios include mounting components to sheet metal panels, HVAC equipment enclosures, electrical junction boxes, and light structural assemblies. The manual tool works where torque and repeatability demands are moderate, making it appropriate for service techs and installers who need an occasional rivet nut solution without investing in a dedicated power tool.
Designed as an OEM-style rivet nut installation solution compatible with standard 6-32 and 10-24 threaded rivet nut applications in steel sheet metal and thin-panel materials.
Rivet nut installation is typically performed by sheet metal mechanics, HVAC technicians, and electricians working on enclosures or panels. Before installation, drill or punch the correct hole size for the rivet nut diameter and verify the material thickness is within the grip range of the nut being used. De-energize any electrical panels or equipment before installing fasteners near live components. Follow applicable NEC or IFGC guidelines when installing fasteners inside or adjacent to electrical or mechanical equipment enclosures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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