Marson 39300 RN-1 Rivet Nut Setter Tool

The Marson 39300 RN-1 Rivet Nut Setter is a reliable, manual hand tool built for installing rivet nuts and threaded inserts up to 1/4-20 and 6mm threads in steel. It features a quick-change mandrel system for fast size swaps, longer handles for better leverage and reduced effort, and an adjustable stroke with positive-stop locking to ensure consistent, precise installations every time. Ergonomically designed with comfortable grips, this tool delivers professional results in auto body, collision repair, and general fastening applications without the need for power tools.

Key Features & Compatibility:

• Installs rivet nuts up to 1/4-20 and 6mm threads in steel materials
• Quick-change mandrel for fast and easy size changes
• Longer handles provide improved leverage and reduced hand fatigue
• Adjustable stroke with positive-stop locking for precise control
• Ergonomic forged steel construction with comfortable hand grips
• Built-in threaded nosepiece storage holes for convenience
• Compatible with standard rivet nuts and threaded inserts in automotive and industrial use

Included with Your Purchase:

• Marson 39300 RN-1 Rivet Nut Setter tool
• Mandrels and nosepieces for #8-32, #10-24, #10-32 (common configurations; verify kit contents)

Perfect for:

• Auto body shops installing threaded inserts for panel repairs
• Collision technicians adding secure mounting points after damage
• Mechanics and fabricators needing reliable rivet nut installations
• Applications requiring rivet nuts in steel up to 1/4-20 or 6mm
• Professional use where manual, portable tools are preferred over powered options