Decorative Polished Brass Coupler Anti Tarnish Coating 25x22mm M10x1 / M13x1
This Brass Decorative Coupler seamlessly combines functional performance with aesthetic appeal. Designed for 25x22mm tube connections and featuring M10x1/M13x1 threading, it ensures a secure and leak-proof integration in various lighting assemblies. Its polished brass finish adds a touch of elegance, making it the ideal component for high-quality decorative and architectural lighting fixtures.
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Material: High-Grade Brass (CuZn39Pb3)
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Finish: Polished Brass, Anti-Tarnish Coating
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Type: Reducing Coupler / Adapter
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Application: Decorative & Architectural Lighting
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Key Feature: Combines Tube Connection with Threaded Ports
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Connecting tubes of different diameters (25mm to 22mm) in lamp arms and bodies.
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Integrating M10x1 or M13x1 threaded components, such as LED modules or socket assemblies, into tubular structures.
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Used in chandeliers, pendant lights, floor lamps, and other custom lighting fixtures.
| Specification Category | Details |
|---|---|
| Material | Brass Alloy |
| Primary Tube Sizes | 25mm (OD) x 22mm (OD) |
| Thread 1 | M10 x 1.0 mm (Internal/External) |
| Thread 2 | M13 x 1.0 mm (Internal/External) |
| Finish | Polished Brass |
| Corrosion Resistance | Excellent |
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Precision Fit: Manufactured to tight tolerances for a secure, rattle-free connection, preventing loosening in suspended applications.
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Superior Corrosion Resistance: Brass inherently resists oxidation, ensuring long-term reliability and maintaining appearance.
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Excellent Machinability: Allows for clean, precise threading, which is critical for achieving leak-proof seals in pneumatic or hydraulic lamp systems.
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Aesthetic Versatility: The polished brass finish provides a premium, classic look that enhances the overall value of the lighting fixture.
Customer Service
- Quick Response: Ensure that every inquiry of yours is answered in a substantive manner within a short period of time.
- Efficient Logistics: High production efficiency and fast delivery speed help to save precious time.
- Quality Assurance: What we offer is not just products, but also the quality guarantee and safety certification accumulated over 20 years.
- Customization support: Based on your project requirements, we offer professional customized solutions.
With over 20 years of dedication to the lighting and hardware industry, we provide a professional and reliable supply of lighting fixture parts.Our commitment to quality and excellence is validated by international certifications, ensuring that our products meet the highest global standards for performance and safety.




Q1. Can I have a sample order for the product?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A: 3-5 days for Sample preparing ,8-10 working days for mass production.
Q3. How do you ship the goods and how long does it take to arrive?
A: Ship by DHL, UPS, FedEx or TNT. It takes 3-5 days to arrive. Airline and sea shipping also optional.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.