Single-Side Installation, Maximum Protection: Why Closed-End Rivet Nuts Matter
Sealed Waterproof Rivet Nuts: The Ideal Fastening Solution for Harsh Environments
Sealed waterproof rivet nuts—also known as closed-end blind rivet nuts—are internally threaded fasteners engineered to enhance sealing performance and durability in mechanical structures.
Their closed-end design effectively prevents the ingress of liquids, dust, and foreign particles into the threads.
This design also allows for strong threaded connections on thin-wall materials from a single side, making them ideal for use in the automotive, electronics, construction, appliance, and marine industries.
Structure & Function
These nuts feature a blind hole at the end, which acts as a barrier against moisture and contaminants, prolonging the service life of the assembly. Available in various shapes—round, half-hex, full-hex—they can be customized in materials like steel, stainless steel, aluminum, and brass to meet diverse application needs.
Product Variations & Applications
Top Screw Industrial Co., Ltd. offers a wide range of waterproof rivet nuts:
European Large Flange Series (BEM-C, BAI-C):
With larger flange diameters, they provide a greater surface contact area for better anti-rotation and push-out resistance during fastening.
European Small Flange Series (SAM-C, SAI-C):
Featuring a thin, low-profile design, they reduce height differences post-installation, enabling flush-mounted assemblies.
American Large Flange Series (TSBS-C):
Equipped with vertical knurls for enhanced grip torque, they minimize thread stripping and ensure a stable fit.
These options make them highly suitable for high-sealing, corrosion-resistant environments across industries.
Quality & Certification
With over 40 years of manufacturing experience, Top Screw’s products are ISO 9001 and IATF 16949 certified. Their finishes include trivalent zinc and zinc-nickel, meeting rigorous salt spray and friction coefficient standards. Coating reports and RoHS compliance certifications are also provided.
Conclusion
Sealed waterproof rivet nuts are essential in modern industry, offering superior sealing and ease of installation. Whether in vehicles, appliances, buildings, or electronics, the right choice of waterproof rivet nuts enhances product durability and performance.