3mm LED Housing (Metal), 6.7mm Diameter × 8.9mm Height – Product Overview

The 3mm LED housing with a 6.7mm diameter and 8.9mm height is a durable, precision-engineered metal component designed to provide superior protection, stability, and professional appearance for panel-mounted LED indicators. This housing improves both mechanical reliability and visual presentation, making it an excellent choice for engineers, OEM manufacturers, and system integrators who require long-lasting LED mounting solutions.

Constructed from high-quality metal, this LED holder offers improved heat resistance, excellent structural strength, and a polished finish suitable for industrial, commercial, and consumer-grade applications. Whether you are integrating LED indicators into control panels, machinery, dashboards, or instrumentation devices, this 3mm metal LED housing ensures a neat, secure, and consistent installation.

Key Features

✔ Durable Metal Construction

Unlike plastic housings, this metal LED housing is engineered for environments where durability and reliability are critical. The metal body delivers:

• High resistance to impact and vibration

• Better long-term stability in industrial environments

• Improved heat dissipation for better LED performance

✔ Optimized for 3mm LEDs

The internal structure is precisely molded to accommodate standard 3mm round LED diodes, providing a secure and clean fit for both manual and automated assembly.

✔ Suitable for Multiple Lighting Applications

Engineered for versatility, this housing is suitable for:

• LED indication

• Back-panel illumination

• Circuit board indicators

• Status lights on equipment, appliances, and consoles

✔ Recommended Hole Size and Panel Compatibility

To ensure proper fit and alignment, the housing is designed with:

• Recommended mounting hole size: 6.2mm

• Compatible with a wide range of panel materials including metal, acrylic, and ABS

• Fits securely in 1mm–2mm panel thicknesses (commonly used in control panels and equipment cases)

✔ Professional Appearance

The sleek metal finish adds a clean, professional look to any device interface, enhancing visual appeal and providing a premium feel compared to traditional plastic LED holders.

✔ RoHS Compliant

This LED housing is fully RoHS compliant, ensuring it is free from hazardous substances and suitable for environmentally responsible manufacturing.

Benefits of Using a Metal LED Housing

1. Enhanced Mechanical Protection

Metal housings protect the LED from physical damage, bending of leads, or accidental impact during installation or operation.

2. Stable Panel Installation

They firmly lock into the mounting hole, eliminating wobble and ensuring stable long-term use.

3. Heat Resistance

Ideal for high-temperature environments where plastic housings may deform or degrade.

4. Improved Aesthetic Quality

The metallic finish provides a premium, professional look for consumer electronics and industrial interface designs.

5. Longer Product Lifespan

Due to their robust construction, metal LED housings outperform plastic options in durability and longevity.

Common Applications

Industrial Equipment

Used for operational indicators on:

• Machinery interfaces

• Control panels

• Robotics systems

Consumer Electronics

Ideal for status indicators on:

• Audio equipment

• Power supplies

• Home automation devices

Automotive and Transportation

Perfect for dashboards, control units, and signaling systems that require shock-resistant components.

Telecommunications

Used in routers, modems, base stations, and network equipment where clear visual indicators are essential.

Medical Equipment

Provides reliable and safe LED placement in diagnostics instruments, monitors, and laboratory devices.

Case Study: Control Panel Manufacturer

A UK-based industrial control panel manufacturer transitioned from plastic housings to this 3mm metal LED housing to improve product durability. After integrating the metal version:

• LED failures during assembly reduced by 28%

• Panel aesthetics significantly improved

• Customer satisfaction increased due to the premium look and reliable performance

User Testimonials

✔ James T., Electronics Engineer (USA)

“The metal housing gives my panels a clean, professional finish. Much more durable than plastic options.”

✔ Martin R., OEM Production Manager (UK)

“We switched to this 3mm housing for high-vibration applications and haven’t had a single LED misalignment issue since.”

✔ Claire W., Prototype Designer

“Easy to mount, excellent fit, and the metal shell looks fantastic on commercial devices.”

Conclusion

The 3mm metal LED housing (6.7mm diameter × 8.9mm height) is an ideal choice for engineers and manufacturers seeking durability, reliability, and professional quality for LED indicator applications. With excellent mechanical stability, RoHS compliance, and compatibility across various industries, this housing ensures long-lasting performance and visually refined results.

If you’re building control panels, electronic devices, or industrial equipment and want the best protection and appearance for your LED indicators, this metal housing is a perfect solution.