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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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This premium 6mm metal indicator light is now available for sale directly from our factory floor, allowing engineers and procurement managers to complete their purchase online instantly. Manufactured by FILN, this miniature metal LED indicator lamp features an ultra-short mini body design, making it the shortest indicator light available for high-density electrical setups. The specialized concave head design ensures that the lens is perfectly recessed within the circular metal casing, providing superior physical protection and an elegant flush-mount look. Designed for crucial signal transmission across diverse heavy-duty power setups, CNC machinery, and control dashboards, our pre-wired metal indicator lights deliver superior dependability. Every unit complies with strict international regulatory bodies and carries ISO9001, CE, VDE, RoHS, SGS, UL, and IP65/IP67 certifications, making it the ideal direct-buy signaling asset for global commercial and industrial applications.
| Mounting Hole | 6mm (0.24 inch) |
|---|---|
| Voltage | 12-24V, 110-220V (Supports Customization) |
| LED Color | Red, Green, Yellow, Blue, White |
| Waterproof Rating | IP65 / IP67 |
| Operating Temperature | -40℃~80℃ |
| Lifespan | ≥50,000 Hours |
| Wiring Type | Pre-wired Lead Type (20cm Wire Length) |
| Product Certifications | ISO9001, CE, VDE, RoHS, SGS, UL |

| Component Name | Material | Note |
|---|---|---|
| Shell | Copper Alloy | Nickel or Chrome plated for corrosion resistance (Silver/Black available) |
| Lamp Holder | PA66 Nylon | High strength PA66, excellent temperature resistance |
| Lampshade | PC Polycarbonate | High light transmission and impact resistance |
| Light Source | LED | Long working life, low energy consumption |
| Resistor | Carbon Film Resistance | Stable current limiting protection |
| Pin | Brass | Excellent electrical conductivity |
| Nut | Copper Alloy | Used for reliable panel fixed installation |
| O-ring | Silica gel | Provides IP67 level waterproof sealing protection |
| Plum Gasket | Stainless Steel | Enhances fastening effect and prevents loosening |
| Rated Voltage | Customized (3V to 380V options available) |
|---|---|
| Frequency (AC) | 50~60Hz |
| Rated Current | ≤20mA |
| Housing | Nickel-plated Copper Alloy / Anodized Black Aluminum Shell |
|---|---|
| Lens | High-Transmittance PC Polycarbonate (Concave Structure) |
| Seal Ring | High Flexible Silicone Rubber |
| Terminal | Internal Brass Pins linked to Wire Leads (Straight Output) |
| Wire Material | UL Certification PVC Lead Wire (Standard 20cm Length) |
| Application | Industrial Control Panels, Automation Systems, Electrical Systems |
|---|---|
| Part Name | 6mm Metal Indicator Light |
| Operating Temperature | -40℃~80℃ |
| Storage Temperature | -40℃~85℃ |
| Relative Humidity | ≤85% at +40℃ |
| Ambient Temperature | 5~35℃ |
| Factory Relative Humidity Range | 45~85% |
| Air Pressure | 86~106Kpa |
| Waterproof Rating | IP65 / IP67 Fully Weatherproof |
| Property Type | Test Condition | Requirement |
|---|---|---|
| Insulation Resistance | DC500V for 1 minute | ≥100MΩ |
| Dielectric Strength | 1500VAC / 5mA / 60s | No breakdown or flashover |
| Performance Item | Test Condition | Requirement |
|---|---|---|
| Continuous Working Life | 30mA current load for 1000h continuous check | 50,000 hours expected performance output |
| Environmental Test Type | Test Criteria & Conditions |
|---|---|
| High Temperature Resistance | 80℃ for a period of 96 hours |
| Low Temperature Resistance | -40℃ for a period of 96 hours |
| Moisture Resistance | 40℃ temperature at 90-95%RH for 96 hours |
| Temperature Cycling | -40℃ → 25℃ → 85℃ managed over 5 complete rounds |
The versatile, miniature 6mm design acts as an efficient signal transmission crossway for large-scale production plants and small custom consumer units alike:

A 6mm metal indicator light is a compact electrical pilot component utilized across industrial control systems to signify successful circuit status, active operations, or normal working conditions. The specific geometry of a concave head metal indicator provides an outstanding operational benefit: the recessed lens is perfectly protected against accidental physical impacts, tool scratches, or heavy external abrasion, ensuring long-term optical clarity.
When engineering an interface panel, understanding the engineering distinction between pre-wired (wire lead) indicators and pin-terminal indicators is critical. Pre-wired indicators feature factory-sealed, direct-output wire harnesses (such as our standard 20cm design), which completely eliminate manual lead-soldering steps on the construction floor. This direct exit style drastically speeds up wiring loom integration and seals the internal housing from dust. Conversely, pin terminals feature exposed rigid prongs that require manual solder joint applications or quick-slide plastic terminal sockets—solutions that add steps during final deployment and risk fatigue cracks in high-vibration applications. By purchasing premium pre-wired components direct, you minimize layout failure points and streamline system assembly.
As a specialized manufacturer, FILN eliminates intermediaries by supplying premium signal indicators directly to your warehouse. Our factory operation stands ready to satisfy your custom project profiles:
FILN Official Website: www.filn.com
Contact Us: inquiry@cnylin.com.cn

1. Are these 6mm metal indicator lights immediately available for purchase?
Yes, our website lists them for sale with factory-direct processing options for quick online orders.
2. What is the fundamental advantage of the concave head indicator lens?
The recessed lens design protects the surface from external collisions and tool scratches, keeping the signal transmission pristine over years of heavy use.
3. Can I request a custom length for the pre-wired lead wires?
Absolutely. While our standard configuration features a 20cm wire length, the FILN factory supports tailored length extensions and custom connector crimping.
4. How do the provided silicone O-ring and M6 nut protect the installation?
The silicone O-ring seals the panel face to block liquids (achieving an IP67 rating), while the smooth-threaded M6 nut and stainless steel plum gasket lock the unit to prevent it from spinning or loosening under industrial vibration.
5. What is the operational difference between a pre-wired pilot lamp and a pin-terminal type indicator?
Pre-wired designs exit directly from the rear casing, speeding up installation and removing the risk of loose solder points, whereas pin terminals require manual connections or separate wire plug setups.
6. Can these mini signal lights be ordered with anodized black metal shells?
Yes. We offer both classic silver chrome-plated brass and specialized anodized black metal shells to match your specific panel style.
7. Does FILN build indicators for non-standard voltage ranges like 5V or 380V?
Yes, although 12V-24V and 110V-220V are our stock configurations, our engineering facility supports complete voltage customization across any 3V to 380V requirement.
8. What international quality certifications does this indicator lamp hold?
FILN indicators are fully approved and certified under ISO9001, CE, VDE, RoHS, SGS, and UL safety protocols.
9. Is the LED bright enough to remain visible in bright outdoor environments?
Yes, we use high-lumen LED components paired with transparent polycarbonate covers to ensure intense light projection under challenging light conditions.
10. Can these signal lamps be integrated into home micro-appliances as well as factories?
Yes, their ultra-short miniature 6mm size makes them perfect for any signal transmission setup, ranging from massive factory control systems to compact commercial electrical equipment.
At FILN, we specialize in delivering precision-engineered indicator lights, push button switches, and rocker switches tailored to your unique requirements. While our products default to standard voltage ranges (12-24V and 110-220V), we understand that specialized applications demand flexibility.
Need a Custom Voltage Solution? Simply inform us of your desired voltage specifications (e.g., 5V, 48V, or non-standard ranges), and our engineering team will craft a solution within 10-15 business days.
✅ Expertise You Can Trust: Over 20 years of experience in industrial-grade electronic component production.
✅ End-to-End Customization: From voltage adjustments to bespoke designs (shape, color, IP rating), we adapt to your needs.
✅ Quality Guaranteed: All custom orders undergo rigorous testing to meet CE/RoHS/IP65 standards.
✅ Scalable Support: Whether prototyping or bulk orders, we ensure seamless delivery.
Consultation: Share your technical requirements via email or our contact form.
Design & Approval: Receive 3D models or samples for confirmation.
Production & QC: Precision manufacturing with real-time updates.
Global Shipping: Trackable logistics to your doorstep.
Email: inquiry@cnylin.com.cn
We have ordered these green metal lamps since 2021 for our power supplies. Not a single defect. Wires are securely potted.
I fili diretti evitano saldature complesse. La testa concava evita urti accidentali sul macchinario. Molto luminoso.
The 6MM Green LED Indicator Light works perfectly on our control panel, and the ultra-short body is incredible. However, the standard shipping carrier took forever to deliver to our US plant.
Dear customer, we are very glad you like our ultra-short 6mm indicator light. We apologize for the shipping delay caused by regional carrier overloads. We strongly suggest choosing our DHL/FedEx express options for urgent orders next time.
Solid non-polar LED beads, clean threads, and helpful wiring instructions from FILN. My only complaint is that the shipping took a long time. Definitely order ahead or choose air express.
Thank you for the praise on our machining quality and engineering documentation. We are expanding our collaborative overseas warehouses to significantly decrease shipping transit times for all industrial clients.
The 6mm metal indicator lamp functions smoothly, and the non-polar wiring steps are very straightforward. Unfortunately, standard freight took nearly 3 weeks. Please streamline your logistics options.
We appreciate your honest review. We do support accelerated express options like UPS and FedEx to meet tight project timelines. We will ensure our sales engineers highlight these rapid delivery paths during your next inquiry.
FILN factory support was fast to reply and professional, sending complete certification files. Regrettably, the package sat at the freight hub for over 10 days. The short pre-wired lamp is top-notch though.
Thank you for recognizing our technical service and product specifications. Customs inspections can occasionally cause unpredictable freight delays. We are actively optimizing our distribution pathways to prevent this transit latency.
We ordered both green and yellow models. The green LED bead is super bright and beautiful with a smooth concave head, but the yellow light version appears somewhat dim under our high-intensity workshop lamps.
Thank you for your candid feedback! Green and yellow LED chemical structures result in different natural brightness levels. We can customize ultra-bright, high-lumen yellow LED beads to match your specific workshop environment. Please reach out to our team.
The silver shell mini indicator fits perfectly into tight spaces due to its ultra-short depth. The green is amazingly bright, but the yellow model isn't strong enough under direct afternoon sunlight.
Hello! For outdoor deployments with heavy solar exposure, we provide specialized high-luminescence custom LED configurations. We will contact you directly to supply a perfect solution for your outdoor gear.
Concave head variant prevents standard operational wear and tear. Direct wire tail saves space. Excellent customer support.
If you are struggling with a deep control box, this ultra-short 6mm metal pilot light is the perfect solution. Bright, robust, and non-polar.
Highly robust wire tail configuration. FILN factory responded with engineering specs immediately. Very short body helps clean integration.
No polarity constraints, crisp thread engagement, and a brilliantly bright green output. Ideal for all tight equipment cabinets.
The direct wire tail handles vibration nicely on our packaging machines. No polar orientation required. Silver shell options look high-end. Customer service was professional and responsive.
주문 제작 전압을 요청했는데 피드백이 전문적이고 빨랐습니다. 모든 부품 인증서가 구비되어 있어 신뢰가 갑니다. 만족스러운 제품입니다.
The concave face creates a completely flat dashboard layout. Bright green illumination and super clean screw threads.
No more worrying about reversed polarities on the bench. Just hook up the wire tail and go. A premium industrial component.
Threads are perfectly cut with zero burrs. Nut tightens easily. Used on modular chemical processing controllers successfully.
Información completa del producto con esquemas técnicos claros en su web. Certificaciones al día y respuestas rápidas por email.
Threads run very smooth and locking ring provides a solid hold. Pre-wired feature means zero terminal soldering errors on site.
Fits behind cramped control cards seamlessly. The concave high-quality metal body feels highly industrial.
Les certifications et étapes de raccordement sont claires sur le site. Boîtier noir très élégant pour nos équipements industriels.
FILN proves to be an outstanding indicator factory. Their sales department responded rapidly to our custom 24VAC requirement. Indicators arrived pristine with clear instructions.
Even with a concave head design, the green light output is crisp and bright. Fits any standard 6mm hole smoothly without binding.
We checked the detailed dimensions on the FILN site before buying. Everything matches 100%. Highly professional factory setup and swift communication.
The concave head style keeps dust and liquids from getting caught easily. Smooth metal threads and pre-installed wire tail make deployment on dialysis test rigs quick and stable.
Searching for a 6mm metal indicator lamp with an ultra-short body, and this model hit the mark. FILN technical team provided a step-by-step wiring guide which made integration into our network rigs straightforward. Excellent engineering support.
Very bright green glow, clean hardware, and helpful installation documentation provided by the manufacturer. Highly recommended factory.
Replaced bulky plastic lights with these 6mm metal lamps. Fully certified, bright, and saves major space.
Very professional interaction with their technical desk. Prompt emails and solid support. The ultra-short body is perfect for modern compact gear.
FILN is a trustworthy manufacturer. Clear wiring steps, smooth ordering process, and the 6mm indicators are remarkably compact.
Luz verde muy nítida. Rosca suave y cables directos que facilitan enormemente la instalación en cualquier dispositivo.
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