Precision 18x40 mm Brass Accessory with M16x1 Thread and Raw Brass Finish for Lighting Fixtures
These are precision-crafted raw brass accessories, sized at 18x40 mm with an M16x1 thread. Commonly used as connectors or adaptors in the lighting hardware industry, they offer a perfect balance of durability and machinability. The raw, untreated surface provides a natural metallic finish, ideal for further surface treatment or for use in antique-style fixtures.
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Material: High-quality Brass
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Dimensions: 18 mm (Max. Outer Diameter) x 40 mm (Length)
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Thread Specification: M16x1 (Metric Fine Thread)
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Surface Finish: Raw / Untreated (Natural Brass Color)
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Application: Lamp Parts, Lighting Connectors, Decorative Hardware
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Used as connecting nuts or threaded pipes for ceiling lamps and pendants.
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Ideal for adjusting arms or joints in industrial-style lighting fixtures.
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Serves as decorative yet functional spacers in chandelier assembly.
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Suitable for furniture connectors requiring a metallic vintage look.
| Specification | Details |
|---|---|
| Material Composition | Brass (Copper-Zinc Alloy) |
| Max. Outer Diameter | 18 mm |
| Overall Length | 40 mm |
| Thread Type | Metric Fine (M16x1) |
| Surface Treatment | Raw (Unplated/Uncoated) |
| Color | Natural Brass / Gold Tone |
| Manufacturing Process | CNC Turning / Automatic Lathe |
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Corrosion Resistant: Brass naturally withstands rust, ensuring longevity in indoor decorative applications.
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Excellent Machinability: Allows for precise threading (M16x1) and smooth surfaces, ensuring easy assembly with standard lamp parts.
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Versatile Finish: The "raw" state offers flexibility; it can be used as-is for a rustic look or polished/plated later to match specific design needs.
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Sturdy Construction: Solid brass construction provides reliable structural support for light fixtures.
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.