Dongguan Lightwo Hardware Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000pcs per month |
| Delivery Time | 10-15 work days |
| Packaging Details | PE bag +PP bag + carton (if you have other requirements, please contact us) |
| Name | iron screw M4x5 in copper |
| Color | Raw |
| Spectication | M4x5 |
| Material | iron |
| Usage | Connect the lamps |
| Brand Name | Lightwo |
| Model Number | L8-0045-0004 |
| Place of Origin | China |
| Certification | RoHS |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000pcs per month |
| Delivery Time | 10-15 work days | Packaging Details | PE bag +PP bag + carton (if you have other requirements, please contact us) |
| Name | iron screw M4x5 in copper | Color | Raw |
| Spectication | M4x5 | Material | iron |
| Usage | Connect the lamps | Brand Name | Lightwo |
| Model Number | L8-0045-0004 | Place of Origin | China |
| Certification | RoHS | ||
| High Light | M4x5 Iron Screw ，Electroplated Copper Finish Screw ，High Tensile Strength Lighting Fixture Screw | ||
This M4x5 iron screw with a pure copper electroplated finish is engineered for the specific demands of high-end lighting fixtures. It seamlessly combines the high tensile strength of an iron core with the superior electrical conductivity and aesthetic appeal of a copper surface. This screw is ideal for creating secure electrical ground connections and achieving a cohesive, premium look in brass or copper lamp assemblies.
Material: Iron core with electroplated copper finish.
Standard: Metric (M4)
Size: M4 (4mm diameter), 5mm length.
Head Style: Pan Head (assumed common for lighting applications).
Drive Type: Phillips (assumed common for efficient assembly).
Electrical Grounding: Ensures a safe and reliable grounding path within metal lamp bodies and components.
Component Assembly: Securely fastens internal components, such as wiring terminals, sockets, and metal brackets.
Aesthetic Finishing: Used as a visible fastener in copper or brass fixtures to maintain a consistent, high-end aesthetic.
| Specification | Value / Description |
|---|---|
| Thread Size | M4 (Metric 4mm diameter) |
| Length | 5mm (Under head length) |
| Material (Core) | Low Carbon Steel / Iron |
| Surface Finish | Electroplated Copper |
| Tensile Strength | Approx. 400 MPa (Typical for Grade 4.8 low carbon steel) |
| Corrosion Resistance | Good; dependent on the integrity of the copper plating. |
Optimized Conductivity: The copper plating provides excellent surface conductivity for electrical grounding, crucial for lamp safety standards.
Superior Strength: The high-strength iron core ensures a durable, vibration-resistant fastening that surpasses the mechanical strength of pure copper screws.
Corrosion & Oxidation Resistance: The copper layer protects the iron core from rust and develops a natural patina over time, compatible with aged brass and copper finishes.
Aesthetic Integrity: Maintains the visual continuity of premium lighting fixtures where copper elements are a key design feature.
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.
Company Details
Business Type:
Manufacturer
Year Established:
More than
Employee Number:
10~20
Ecer Certification：
Verified Supplier
About Us In the field of lighting connection components, we are a specialized manufacturer with over three decades of industry experience. Since our founding, we have focused on the research, development, and production of metal fittings and accessories. Through years of technical expertise and a de... About Us In the field of lighting connection components, we are a specialized manufacturer with over three decades of industry experience. Since our founding, we have focused on the research, development, and production of metal fittings and accessories. Through years of technical expertise and a de...
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