Countersunk Head Round Copper M6 1 4 x 20 Rivet Nut
The Countersunk Head Round Copper M6 1/4 x 20 Rivet Nut is a premium fastener designed for secure, corrosion-resistant installation in softer or thinner materials. Made from high-conductivity copper, it’s ideal for electrical, HVAC, and automotive applications where both mechanical strength and conductivity are required. The countersunk head allows for a flush finish, making it perfect for surfaces where aesthetics and space efficiency matter.
This insert offers compatibility with common inch-thread fasteners while providing the durability and performance of copper. Don’t compromise on quality—shop now and experience the performance and versatility of our expertly crafted rivet nuts!
Material: High-conductivity copper for excellent electrical and corrosion resistance
Thread Size: 1/4 x 20 UNC (Unified Coarse Thread)
Body Diameter: Equivalent to M6 (approx. 6.35 mm)
Head Type: Countersunk head for a flush surface finish
Body Style: Round body for standard drilled hole applications
Installation: Suitable for blind installation in sheet metal or soft materials
Finish: Natural copper finish for conductivity and durability
Ideal for: Electrical panels, automotive parts, HVAC units, and decorative metalwork
Electrical Equipment – Ideal for grounding and secure electrical connections due to copper’s high conductivity
Automotive Industry – Used in interior panels or components requiring flush mounting and conductivity
HVAC Systems – Perfect for fastening components in heating, ventilation, and air conditioning units
Decorative Metalwork – Provides a clean, low-profile finish in visible or exposed surfaces
Aerospace & Instrumentation – Applied where precise, conductive, and flush-mounted fastening is critical
Renewable Energy Systems – Suitable for solar panel frames and power equipment housings needing reliable electrical contact
What is the advantage of using copper for rivet nuts?
Copper rivet nuts offer superior electrical conductivity compared to other materials, making them ideal for grounding and electrical circuit integration. Additionally, copper provides excellent corrosion resistance in humid or outdoor environments, ensuring long-term reliability without rust or degradation.
What type of fastener fits a 1/4 x 20 rivet nut?
This rivet nut is internally threaded to fit standard 1/4″-20 UNC bolts or screws, which are widely available and commonly used in both industrial and commercial settings. The 20 refers to the thread pitch (20 threads per inch), ensuring a secure fit for general-purpose applications.
Can this rivet nut be used in thin sheet metal?
Yes, it is specifically designed for installation in thin or soft materials such as sheet metal, aluminum, plastic, or composite panels. It allows for strong, reusable internal threads without the need for welding or tapping, even when access is only available from one side.
Is the countersunk head suitable for flush installations?
Absolutely. The countersunk head allows the rivet nut to sit flush with the material surface once installed. This is especially beneficial in applications where a smooth, unobtrusive surface is required — such as panels, enclosures, or assemblies where aesthetics and space-saving are critical.
Are copper rivet nuts suitable for structural applications?
Copper rivet nuts are generally not recommended for high-load or structural applications due to the softness of the material. They are best suited for low to medium-load environments where electrical conductivity and corrosion resistance are priorities — such as in electronic enclosures, HVAC systems, and light-duty mechanical assemblies.
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