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Help CenterPrecision Etched Metal Dustproof Grille for Bluetooth Speaker, 0.3mm Hole, 75% Open Area, Anti-Corrosion
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As a leading manufacturer based in Hengshui, Hebei, China, Anping County Boli Hardware Wiremesh Products Factory has been dedicated to producing high-quality metal mesh solutions since 1998. Our Precision Etched Metal Dustproof Grille for Bluetooth Speaker is engineered to deliver superior acoustic performance while providing reliable dust protection. With an annual export value of US$5 Million – US$10 Million, we serve clients across North America, South America, Europe, Asia, and more. This grille combines advanced etching technology with a carefully designed 0.3mm hole diameter and 75% open area, ensuring optimal sound transparency and effective dust filtration.
The grille is manufactured using a precision chemical etching process that creates clean, burr-free holes with tight tolerances. This method allows for complex patterns and consistent quality, making it ideal for high-end Bluetooth speakers where aesthetics and performance matter. The anti-corrosion surface treatment further enhances durability, making the grille resistant to moisture, sweat, and environmental factors. Below are the key technical specifications:
| Parameter | Value |
| Hole Diameter | 0.3mm |
| Open Area | 75% |
| Material Options | Stainless Steel 304, 316L, Brass, Copper |
| Thickness Range | 0.3mm – 0.5mm (customizable) |
| Surface Treatment | Anti-corrosion coating (black, silver, or customized) |
| Max Size | 600mm x 600mm (larger sizes available upon request) |
| Pattern | Round holes, square holes, or custom patterns |
Product Features and Benefits:
- Precision Etching: Chemical etching ensures no burrs, no deformation, and consistent hole geometry. This is critical for maintaining uniform air flow and sound quality.
- 75% Open Area: The high open area ratio allows maximum sound transmission while effectively blocking dust particles. Ideal for Bluetooth speakers that require clear audio without compromising protection.
- Dustproof Design: The 0.3mm hole size prevents most dust and debris from entering the speaker enclosure, extending the lifespan of internal components.
- Anti-Corrosion Performance: Special surface treatment (e.g., black oxide, passivation, or powder coating) provides excellent resistance to rust, salt spray, and humidity. Suitable for outdoor or portable speaker use.
- Customizable Dimensions: We can produce grilles in any shape and size to match your speaker design. Minimum order quantity is flexible for small-batch prototyping.
- Durable Material: Stainless steel 304/316L offers high strength and longevity. Brass and copper options are available for decorative applications.
- Consistent Quality: With over 25 years of manufacturing experience, we maintain strict tolerance control (typically ±0.02mm) and 100% visual inspection before shipment.
Why Choose Our Grille?
Our factory uses advanced etching lines and automated testing equipment to ensure every batch meets the highest standards. The grille is designed to be easily mounted via adhesive, snap-fit, or screw fixation. We also offer optional acoustic mesh lamination for additional voice coil protection. Compared to laser-cut or punched grilles, our etched grille provides sharper edges, smoother surfaces, and better corrosion resistance.
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has supplied millions of precision mesh components to global audio brands. Our export value of US$5M–US$10M annually reflects the trust placed by clients in North America, Europe, Southeast Asia, and beyond. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, with typical lead times of 15–25 working days. We offer free samples for quality evaluation and provide technical support for custom designs.
Frequently Asked Questions (FAQ):
-
Q: Can the grille be customized to fit my specific speaker dimensions?
A: Yes, we offer full customization. You can provide a drawing or sample, and we will produce the grille to your exact size and shape. There is no minimum order quantity for prototypes. -
Q: What materials are available?
A: Standard materials include stainless steel 304 and 316L. Brass, copper, and aluminum are also available upon request. The choice depends on your budget and environmental requirements. -
Q: How does the 75% open area affect sound quality?
A: The high open area minimizes acoustic resistance, allowing sound waves to pass through with minimal attenuation. This grille is designed to maintain the original frequency response of your speaker. -
Q: Is the anti-corrosion coating suitable for outdoor use?
A: Yes, the standard anti-corrosion treatment (e.g., black oxide or powder coating) passes 72-hour salt spray test. For more demanding environments, we recommend 316L stainless steel with additional passivation. -
Q: What is the lead time for a custom order?
A: Typically 15–20 working days for standard sizes, and 20–25 working days for complex patterns or large quantities. Rush orders can be arranged for an additional fee. -
Q: Do you provide samples?
A: Yes, we offer free samples (you pay shipping). Sample production takes 5–7 working days. Contact us with your requirements to get a sample quote. -
Q: How do you ensure the grille doesn't rust during shipping?
A: Each grille is individually wrapped in anti-corrosion paper and packed in foam-lined boxes. For long-distance sea freight, we use VCI (volatile corrosion inhibitor) packaging to prevent moisture damage. -
Q: Can I get a custom pattern, such as a logo or unique hole shape?
A: Absolutely. Our etching process allows any pattern that can be designed in CAD. We can create circular, rectangular, hexagonal, or even custom logo-shaped holes. Send your artwork for a feasibility review.
With decades of expertise in precision metal etching, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for high-quality dustproof grilles. Contact us today to discuss your Bluetooth speaker project. We are committed to delivering products that combine acoustic excellence, durability, and custom design.
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