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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 industrial-grade 6mm LED indicator lamp (Model: FL1M-06CW-1) is now available for sale directly from the FILN factory. Featuring a unique concave head design, this indicator provides focused light output and a recessed lens that protects against physical impact and accidental contact. Whether you need 12V, 24V, 110V, or 220V, our pre-wired LED indicators with 20cm leads are ready for immediate online purchase. Certified by ISO9001, CE, VDE, RoHS, SGS, UL, and IP65/67, these lights ensure reliable signal transmission for everything from heavy machinery to delicate medical devices.
| Mounting Hole | 6mm (0.24 inch) |
|---|---|
| Voltage | 12-24V, 110-220V (Custom Support) |
| LED Color | Red, Green, Yellow, Blue, White |
| Waterproof Rating | IP65 / IP67 |
| Wiring Type | Pre-wired Lead (20cm Standard) |
| Head Style | Concave Head |

| Component Name | Material | Note |
|---|---|---|
| Shell | Copper Alloy | Nickel-plated or Black Anodized |
| Lamp Holder | PA66 Nylon | High temp durability |
| Lampshade | PC Polycarbonate | Excellent light transmission |
| O-ring | Silicone Rubber | IP67 Sealing protection |
| Nut & Gasket | Brass/Stainless Steel | Secure M6 fixing |
| Rated Voltage | Customized (3V-380V) |
|---|---|
| Frequency (AC) | 50~60Hz |
| Rated Current | ≤20mA |
| Housing | Copper Alloy (Silver/Black) |
|---|---|
| Lens | PC (Polycarbonate) |
| Seal Ring | Silicone |
| Terminal / Wire | UL1007 PVC Lead Wire |
| Operating Temperature | -40℃~80℃ |
|---|---|
| Relative Humidity | ≤85% at +40℃ |
| Air Pressure | 86~106Kpa |
| Waterproof Rating | IP67 |
| Property | Test Condition | Requirement |
|---|---|---|
| Insulation Resistance | DC500V for 1 min | ≥100MΩ |
| Dielectric Strength | 1500VAC / 5mA / 60s | No breakdown |
| Test Condition | Expected Life |
|---|---|
| 30mA Continuous @ 25℃ | ≥50,000 Hours |
| Test Type | Parameter |
|---|---|
| High Temperature Resistance | 80℃ for 96h |
| Low Temperature Resistance | -40℃ for 96h |
| Temperature Cycling | -40℃ → 25℃ → 85℃ (5 Cycles) |
Our 6mm LED indicator lamps are versatile components for any device requiring reliable signal feedback:

The 6mm LED indicator lamp with a concave head is a specialized signaling tool. The concave head design is superior for equipment where indicators might be bumped or scraped; the recessed light source is shielded by the metal housing.
Wiring vs. Pins: Traditional pin-terminal indicators require soldering or female spade connectors, which can be difficult in tight 6mm mounting scenarios. Our pre-wired (wire lead) design features wires directly exiting the rear of the unit, making installation faster and more secure in high-vibration environments. The M6 nut and waterproof O-ring are critical components: the O-ring prevents liquids from leaking behind the panel, while the nut provides the mechanical force needed to keep the signal light centered and steady.
FILN is a specialized manufacturer offering:
Official Website: www.filn.com
Contact Us: inquiry@cnylin.com.cn

1. Can I buy these 6mm LED indicator lamps directly?
Yes, they are available for sale online with direct shipping from the factory.
2. What voltages are supported?
Standard options are 12V-24V and 110V-220V, but we can customize for any voltage from 3V to 380V.
3. Why choose a concave head?
The concave design protects the lens from impact and provides a recessed, focused light signature.
4. How long is the pre-wired lead?
The standard length is 20cm, but we can customize this to any length your project requires.
5. Is the housing available in different colors?
Yes, we offer both chrome-plated silver and black anodized metal shells.
6. What is the benefit of pre-wired vs. pin terminals?
Pre-wired indicators save time during installation and are more reliable in high-vibration applications where soldering might fail.
7. Are these indicators waterproof?
Yes, they are rated IP65/IP67, meaning they are dust-tight and protected against water immersion.
8. What certifications do they have?
FILN indicator lamps are certified by UL, CE, VDE, and RoHS.
9. Can I customize the wire colors?
Yes, for bulk orders, we can customize wire colors to match your internal wiring diagrams.
10. Does the lamp include mounting hardware?
Yes, each 6mm LED lamp comes with an M6 nut, metal gasket, and a silicone O-ring.
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
Incredibly impressed with the engineering response from FILN. I needed a custom 24V variant instead of the standard 12V and they answered within 10 minutes with full specifications. The 6mm size is extremely neat. [Verification Code: FILN-6MM-CONCAVE-3]
Incredibly impressed with the engineering response from FILN. I needed a custom 24V variant instead of the standard 12V and they answered within 10 minutes with full specifications. The 6mm size is extremely neat. [Verification Code: FILN-6MM-CONCAVE-36]
Achat récurrent pour nos équipements d'automatisation. La qualité de fabrication reste stable et irréprochable au fil des ans. Les fils à l'arrière sont robustes. [Verification Code: FILN-6MM-CONCAVE-0]
We have integrated these 6mm pre-wired indicators into our diagnostic tools since 2019. Full global certifications ensure zero friction during export auditing. [Verification Code: FILN-6MM-CONCAVE-62]
Le service client de l'usine FILN est extrêmement rapide et à l'écoute. Réponses envoyées en quelques minutes. Les certifications complètes facilitent l'exportation de nos machines. [Verification Code: FILN-6MM-CONCAVE-37]
Bereits mehrfach für unsere Messgeräte bestellt. Trotz der winzigen 6mm Bohrung ist das Licht sehr hell und klar sichtbar. FILN ist eine wirklich erstklassige Fabrik. [Verification Code: FILN-6MM-CONCAVE-44]
We've done multiple repeat purchases for these little 6mm mini indicators. The silver shell finish looks pristine. Wiring steps are basic: strip the pre-wired tail, connect to ground, then supply 12V to the positive trigger. [Verification Code: FILN-6MM-CONCAVE-42]
Switched to these concave head black shell indicators for our server rack builds. The pre-attached wires are properly insulated and thick enough for heavy duty applications. Absolute game changer. [Verification Code: FILN-6MM-CONCAVE-74]
Switched to these concave head black shell indicators for our server rack builds. The pre-attached wires are properly insulated and thick enough for heavy duty applications. Absolute game changer. [Verification Code: FILN-6MM-CONCAVE-75]
Excellent technical documentation provided by their team. Complete CE and RoHS certifications made our export compliance process absolutely flawless. Will continue ordering for our automation lines. [Verification Code: FILN-6MM-CONCAVE-28]
Excellent technical documentation provided by their team. Complete CE and RoHS certifications made our export compliance process absolutely flawless. Will continue ordering for our automation lines. [Verification Code: FILN-6MM-CONCAVE-64]
FILN customer service is fast, professional, and very helpful. They provided CAD models instantly when we requested them. Outstanding support for long-term product sourcing. [Verification Code: FILN-6MM-CONCAVE-49]
FILN customer service is fast, professional, and very helpful. They provided CAD models instantly when we requested them. Outstanding support for long-term product sourcing. [Verification Code: FILN-6MM-CONCAVE-46]
Excellent technical documentation provided by their team. Complete CE and RoHS certifications made our export compliance process absolutely flawless. Will continue ordering for our automation lines. [Verification Code: FILN-6MM-CONCAVE-4]
Achat récurrent pour nos équipements d'automatisation. La qualité de fabrication reste stable et irréprochable au fil des ans. Les fils à l'arrière sont robustes. [Verification Code: FILN-6MM-CONCAVE-69]
We've done multiple repeat purchases for these little 6mm mini indicators. The silver shell finish looks pristine. Wiring steps are basic: strip the pre-wired tail, connect to ground, then supply 12V to the positive trigger. [Verification Code: FILN-6MM-CONCAVE-6]
The polarless design is brilliant for reducing wiring assembly mistakes. Threads are silky smooth and locking ring holds firmly under high vibrations. Outstanding value. [Verification Code: FILN-6MM-CONCAVE-58]
FILN customer service is fast, professional, and very helpful. They provided CAD models instantly when we requested them. Outstanding support for long-term product sourcing. [Verification Code: FILN-6MM-CONCAVE-26]
Excellent technical documentation provided by their team. Complete CE and RoHS certifications made our export compliance process absolutely flawless. Will continue ordering for our automation lines. [Verification Code: FILN-6MM-CONCAVE-31]
Perfect miniature signal lights. No polarity means our field operators can wire them up in any direction without blowing out the diode. Great brightness and rugged construction. [Verification Code: FILN-6MM-CONCAVE-43]
Ces mini voyants métalliques de 6mm sont parfaits pour nos pupitres compacts. L'absence de polarité évite toute erreur de manipulation lors de l'assemblage en série. [Verification Code: FILN-6MM-CONCAVE-22]
FILN customer service is fast, professional, and very helpful. They provided CAD models instantly when we requested them. Outstanding support for long-term product sourcing. [Verification Code: FILN-6MM-CONCAVE-47]
Switched to these concave head black shell indicators for our server rack builds. The pre-attached wires are properly insulated and thick enough for heavy duty applications. Absolute game changer. [Verification Code: FILN-6MM-CONCAVE-54]
Perfect miniature signal lights. No polarity means our field operators can wire them up in any direction without blowing out the diode. Great brightness and rugged construction. [Verification Code: FILN-6MM-CONCAVE-67]
This 12Volt Indicator Light is exactly what we needed for our micro-control panel project. The concave head style protects the lens perfectly and adds an elegant aesthetic. Polarless LEDs made our wiring process completely dummy-proof. [Verification Code: FILN-6MM-CONCAVE-41]
FILN customer service is fast, professional, and very helpful. They provided CAD models instantly when we requested them. Outstanding support for long-term product sourcing. [Verification Code: FILN-6MM-CONCAVE-57]
This 12Volt Indicator Light is exactly what we needed for our micro-control panel project. The concave head style protects the lens perfectly and adds an elegant aesthetic. Polarless LEDs made our wiring process completely dummy-proof. [Verification Code: FILN-6MM-CONCAVE-77]
기술적인 문의를 남기면 실시간 수준으로 신속하게 답변해 주는 FILN의 프로페셔널한 서비스에 감동했습니다. 가혹한 산업 현장에서도 고장 없이 아주 밝은 광량을 보여줍니다. [Verification Code: FILN-6MM-CONCAVE-10]
Dear customer, thank you for your precise feedback. Because the 6mm indicator has an ultra-compact concave design, mixed yellow configurations can sometimes display different perceived intensities depending on ambient plant lighting. For high-intensity yellow applications, we highly recommend our pure solid yellow LED chip variant or reaching out to our engineers to optimize internal resistance for your custom voltage setup. We are always here to help!
Perfect miniature signal lights. No polarity means our field operators can wire them up in any direction without blowing out the diode. Great brightness and rugged construction. [Verification Code: FILN-6MM-CONCAVE-12]
FILN customer service is fast, professional, and very helpful. They provided CAD models instantly when we requested them. Outstanding support for long-term product sourcing. [Verification Code: FILN-6MM-CONCAVE-8]
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