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Screw-on wire connectors, also known as twist wire nuts, are practical close-end wire splicing terminals designed for fast, solder-free electrical connections. They are constructed with flame-retardant PA66 nylon insulating shell and built-in galvanized steel spring, which delivers consistent clamping force to lock solid and stranded wire conductors firmly when twisted. No crimping tools required, simply twist by hand for quick and reliable wire termination.
Two structural styles are available for different working scenarios:
Multiple sizes and color-coded options are provided to match different wire gauge ranges. Widely used in residential electrical wiring, industrial control cabinets, lighting fixtures, home appliances and various electrical circuit connection projects.
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A: We are a professional manufacturer with our own factory.
A: Most standard products are in stock for fast shipping.
A: We do not provide free samples, but you can order directly online.
A: We accept customization, but a minimum order quantity is required. Please contact us for details.
A: Most of our products have CE and RoHS certifications. Some products also have UL certification.
At CYD, we believe every connection has a purpose — a spark that brings ideas to life. Our journey began with one mission: to provide dependable, high-performance cable terminals that make building, repairing, and creating easier and safer for everyone.
Engineered for Excellence
From the beginning, we’ve committed ourselves to the highest international standards. Every product we create — whether for industrial machines, automotive systems, or home wiring — reflects our dedication to safety, efficiency, and stability. With certifications including CE, UL, ISO,and RoHS, our quality speaks for itself.
Built on Trust, Driven by Innovation
CYD’s experienced engineering team continuously develops new solutions to meet the evolving needs of customers across the globe. We’re not just manufacturers — we’re problem solvers. By combining smart design with practical functionality, we help our customers build stronger, more reliable electrical systems.
From Local Expertise to Global Reach
Today, CYD terminals and connectors are trusted by professionals and DIYers in the EU, United States, Russia, and beyond. Our products serve as the invisible link powering countless innovations — and we’re proud to be part of that process.
CYD – Connect your dreams
Whether it’s a workshop project or an industrial installation, we’re here to help you bring your ideas to life — one connection at a time.
Looking Forward, Together
We see every customer not just as a buyer, but as a partner. That’s why we provide not only reliable products, but also responsive service and fast global shipping. As we grow, our promise stays the same: to help you move forward with confidence, quality, and the right connection.
