RCOB Brass Open Rivetnut | Countersunk Round | M3-M12

Brass Open End Rivetnuts for Materials up to 7.60mm Thick

The RCOB Round Countersunk Head Open End Rivetnut is designed to provide a strong, reliable threaded insert in materials up to 7.60mm thick. Manufactured from high-quality brass, these rivetnuts create durable, reusable metric threads without the need for welding, tapping, or access to the reverse side of the material.

Featuring a countersunk head design, these rivetnuts sit flush with the material surface when installed correctly, creating a neat, professional finish. The open end construction allows the use of longer bolts and screws where required, making them a versatile fastening solution for a wide range of engineering, electrical, and manufacturing applications.

Ideal for Electrical and Decorative Applications

RCOB brass rivetnuts are ideal for applications where corrosion resistance, conductivity, and appearance are important. The brass construction provides excellent resistance to corrosion while offering an attractive finish, making these rivetnuts suitable for both functional and decorative applications.

Available Sizes

• M3 (3 Lengths)
• M4 (3 Lengths)
• M5 (3 Lengths)
• M6 (4 Lengths)
• M8 (4 Lengths)
• M10 (3 Lengths)
• M12 (3 Lengths)

Key Features

• Suitable for materials up to 7.60mm thick
• Countersunk head for a flush, professional finish
• Open end design for versatile fastening applications
• Round body for standard installation applications
• Manufactured from high-quality brass
• Natural self-colour finish
• Good corrosion resistance
• Creates strong, reusable metric threads
• Fast installation from one side of the application
• Suitable for electrical, engineering, and decorative applications

Product Specifications

Code: RCOB
Shape: Round
Head Style: Countersunk
Style: Open End
Material: Brass
Body Type: Metric
Finish: Self Colour
Maximum Material Thickness: 7.60mm

Typical Applications

• Electrical equipment and enclosures
• Sheet metal fabrication
• Lighting installations
• Control panels
• Decorative metalwork
• HVAC systems
• Engineering projects
• Industrial equipment
• General repair and maintenance

Why Choose Round Countersunk Head Brass Open End Rivetnuts?

Round countersunk head brass open end rivetnuts provide a strong threaded insert while offering excellent corrosion resistance and an attractive finish. The countersunk head creates a flush installation, while the brass body is well suited to electrical and decorative applications where appearance and conductivity are important.

Product Summary

The RCOB Round Countersunk Head Brass Open End Rivetnut provides a strong, reusable threaded insert for materials up to 7.60mm thick. Featuring a flush-fitting countersunk head and corrosion-resistant brass construction, these rivetnuts are ideal for electrical, engineering, and decorative applications. Available in M3 to M12 sizes.