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Help CenterEtched Metal Dustproof Grille for Bluetooth Speaker, 201 Stainless Steel, 0.4mm Thickness, Nickel Plated
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As a leading manufacturer with over 25 years of experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory specializes in precision metal components. Our Etched Metal Dustproof Grille for Bluetooth Speaker is crafted from high-quality 201 stainless steel, just 0.4mm thick, and finished with a durable nickel plating. This grille is designed to provide superior dust protection while maintaining excellent acoustic transparency, making it an ideal choice for audio equipment manufacturers seeking both performance and aesthetics.
The grille's unique etching process ensures consistent hole patterns, clean edges, and minimal burr formation. Its ultra-thin profile (0.4mm) allows for easy integration into compact speaker enclosures without compromising structural integrity. The nickel-plated surface not only enhances corrosion resistance but also gives a sleek, modern appearance that complements any speaker design.
Key Features & Technical Specifications
- Material: Premium 201 stainless steel – offers good strength and formability at a cost-effective price point.
- Thickness: 0.4mm ±0.03mm – ultra-thin yet sturdy enough for long-term use.
- Surface Finish: Nickel plated – provides excellent anti-oxidation, anti-tarnish, and scratch resistance.
- Manufacturing Process: Chemical etching (photo etching) – enables high precision, complex patterns, and tight tolerances.
- Dustproof Rating: Effective IP3X to IP5X (depending on hole size and pattern) – keeps dust and debris away from speaker drivers.
- Acoustic Performance: Open area ratio up to 50% – ensures minimal sound attenuation and clear audio transmission.
- Customization: Available in various shapes, sizes, hole patterns, and even additional coatings (e.g., black paint, anti-fingerprint).
- Application: Ideal for Bluetooth speakers, portable audio devices, smart home speakers, and other consumer electronics.
| Parameter | Value |
| Material Grade | 201 Stainless Steel (SUS201) |
| Thickness | 0.4mm (0.0157") |
| Surface Treatment | Nickel Plated |
| Hole Diameter | 0.5mm – 3.0mm (customizable) |
| Open Area Ratio | 30% – 55% (depending on pattern) |
| Tolerance | ±0.05mm on hole size, ±0.1mm on overall dimensions |
| Edge Quality | Burr-free, smooth, no sharp edges |
Advantages for Your Business
- Cost-Effective Quality: 201 stainless steel offers a balanced combination of performance and price, reducing your component costs without sacrificing reliability.
- Fast Lead Times: With our in-house etching and plating lines, we can deliver samples within 7–10 days and mass production in 15–20 working days.
- Custom Patterns: From circular dots to hexagonal or slot grids, we can replicate your exact design or co-develop a new pattern for optimal dust protection and sound transmission.
- Consistent Batch Uniformity: Our advanced CNC-controlled etching machines guarantee every piece matches the same high standard, reducing assembly issues.
- Global Shipping: We ship from Tianjin, Qingdao, Shanghai, Foshan ports to markets worldwide, including North America, Europe, and Southeast Asia.
Our grille has been tested by independent labs for dust ingress and acoustic performance. In a typical 3W Bluetooth speaker application, the open area ratio of 45% resulted in less than 1dB SPL loss compared to an open driver, while completely blocking particles larger than 0.5mm. This ensures your speakers deliver clear, powerful sound while maintaining a premium appearance over years of use.
Trust & Reliability
Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer since 1998, with an annual export value exceeding US$5–10 million. Our products are shipped to major markets across North America, South America, Europe, Asia, Africa, and Oceania. We serve a wide range of electronics brands, providing OEM/ODM services with full quality control. Every order is backed by our commitment to on-time delivery, strict inspection, and responsive customer support. Choose our Etched Metal Dustproof Grille to elevate your Bluetooth speaker's protection and style – contact us today for a quote or custom sample.
Frequently Asked Questions
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Is this grille suitable for outdoor Bluetooth speakers?
Yes, the nickel-plated 201 stainless steel offers good corrosion resistance, but for extreme outdoor conditions, we recommend an additional anti-UV coating (optional). -
Can I get a sample before bulk order?
Absolutely. We provide samples for evaluation. Custom samples are charged a small fee, refundable on bulk orders. -
What is the minimum order quantity (MOQ)?
Our standard MOQ is 500 pieces per design, but we can negotiate lower quantities for first-time customers or trial orders. -
How do you ensure the grille does not rattle or vibrate?
The grille is designed with a tight fit tolerance and can be supplied with adhesive backing or mounting clips upon request to eliminate any movement. -
Does the etching process leave sharp edges?
No. Our chemical etching process naturally produces a slight radius on edges, and we further deburr and polish to ensure safe handling. -
Can you match a specific Pantone color for the grille?
Yes, we offer custom painting or coating after nickel plating. Please provide the Pantone code for color matching. -
What is the typical lead time for 10,000 pieces?
Around 20–25 working days after sample approval, depending on the complexity of the pattern. -
Do you provide any warranty or guarantee?
We offer a quality guarantee against manufacturing defects for 1 year. If any issues arise, we will replace or refund at our discretion.
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