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.
Material: High-Grade Brass (CuZn39Pb3)
Finish: Polished Brass, Anti-Tarnish Coating
Type: Reducing Coupler / Adapter
Application: Decorative & Architectural Lighting
Key Feature: Combines Tube Connection with Threaded Ports
Connecting tubes of different diameters (25mm to 22mm) in lamp arms and bodies.
Integrating M10x1 or M13x1 threaded components, such as LED modules or socket assemblies, into tubular structures.
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 |
Precision Fit: Manufactured to tight tolerances for a secure, rattle-free connection, preventing loosening in suspended applications.
Superior Corrosion Resistance: Brass inherently resists oxidation, ensuring long-term reliability and maintaining appearance.
Excellent Machinability: Allows for clean, precise threading, which is critical for achieving leak-proof seals in pneumatic or hydraulic lamp systems.
Aesthetic Versatility: The polished brass finish provides a premium, classic look that enhances the overall value of the lighting fixture.
Customer Service
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.