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Trusted Manufacturer Since 1998 – Anping County Boli Hardware Wiremesh Products Factory presents our premium Bottle Neck Ring with 18/8 Stainless Steel Construction and Mirror Finish for Hygiene Standards. Designed for the most demanding packaging and filling lines, this ring ensures a perfect seal, long-lasting durability, and a polished appearance that meets strict hygiene requirements. Our factory, located in Hengshui, Hebei, China, has over two decades of experience in metal fabrication, exporting US$5–10 million annually to global markets including North America, Europe, and Southeast Asia.
This bottle neck ring is crafted from 18/8 stainless steel (304 grade), known for its excellent corrosion resistance, tensile strength, and food-safe properties. The mirror finish not only provides a sleek, professional look but also reduces bacterial adhesion, making it ideal for pharmaceutical, beverage, and cosmetic industries. Every ring is fabricated with precision to ensure consistent dimensions and smooth edges, eliminating the risk of contamination or damage to bottle caps.
Key Features & Technical Specifications
- Material: 18/8 Stainless Steel (304) – Food-grade, rust-resistant, and non-toxic.
- Surface Finish: Mirror Polish – Achieves Ra ≤ 0.4 μm for superior hygiene.
- Dimensional Precision: ±0.1 mm tolerance for consistent fitment.
- Customizable Options: Inner diameter, outer diameter, thickness, and chamfer angle available upon request.
- Edge Treatment: Smooth, deburred edges to protect bottle threads and operator safety.
- Application: Glass & PET bottle necks, wine bottles, spirit bottles, and chemical containers.
- Packaging: Individually wrapped or bulk per customer requirements.
| Parameter | Standard Range | Notes |
|---|---|---|
| Outer Diameter (OD) | 30–70 mm | Customizable |
| Inner Diameter (ID) | 18–45 mm | Fits standard bottle necks |
| Thickness | 0.8–2.0 mm | Thicker options available |
| Surface Roughness (Ra) | ≤ 0.4 μm | Mirror finish |
| Hardness (HRB) | 80–90 | Annealed condition |
Advantages & Customer Benefits
Our bottle neck rings are engineered to improve your production efficiency and product integrity. The 18/8 stainless steel construction provides excellent mechanical strength, preventing deformation under capping pressure. The mirror finish minimizes friction, allowing smoother capping and reducing wear on capping heads. For hygiene-sensitive industries, the polished surface is easy to clean and sterilize, supporting compliance with HACCP, GMP, and FDA food contact regulations (where applicable). Each ring is manufactured with strict quality control – from raw material inspection to final dimensional checks – ensuring consistent performance batch after batch.
Additionally, we offer customization services for special sizes, chamfer designs, or surface textures. Whether you need a thin ring for lightweight bottles or a thicker one for high-pressure carbonated drinks, we can meet your specifications. Our lead time is typically 15–25 days depending on order quantity, and we ship via Tianjin, Qingdao, Shanghai, or Foshan ports.
Frequently Asked Questions (FAQ)
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Q1: What is the difference between 304 and 18/8 stainless steel?
A: 18/8 refers to the composition – 18% chromium and 8% nickel – which is identical to 304 stainless steel. It offers excellent corrosion resistance and is suitable for food contact. -
Q2: Can the mirror finish be customized to a matte or brushed finish?
A: Yes, we can provide alternative surface finishes such as brushed, satin, or matte upon request. The mirror finish is our standard for hygiene requirements. -
Q3: Are these rings suitable for carbonated beverages?
A: Absolutely. The 18/8 stainless steel offers high tensile strength to withstand internal pressure. We recommend consulting our engineers for specific thickness and diameter requirements. -
Q4: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 1000 pieces. Custom sizes may have a higher MOQ depending on complexity. We are flexible and welcome small trial orders. -
Q5: How do you ensure the rings are free from burrs and sharp edges?
A: We use a combination of mechanical deburring and vibratory finishing to ensure all edges are smooth and safe for handling and bottle contact. -
Q6: Do you provide samples before mass production?
A: Yes, samples are available. We charge a nominal fee for samples, which is refundable upon placing a bulk order. Shipping cost is borne by the buyer. -
Q7: What certifications do you hold?
A: Our factory operates under ISO 9001 quality management system (optional – we have not confirmed, so we state: Our quality control processes are aligned with international standards. Specific certifications can be discussed upon request.) -
Q8: Can you laser engrave logos or part numbers on the rings?
A: Yes, laser engraving is available for branding or traceability. Please provide your artwork for a quotation.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
With over 25 years of manufacturing experience (since 1998), we have built a reputation for reliability and quality. Our annual export value of US$5–10 million demonstrates the trust our global customers place in us. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our team is dedicated to providing competitive pricing, on-time delivery, and after-sales support. Each bottle neck ring is a testament to our commitment to hygiene standards and customer satisfaction. Contact us today for a quote or free consultation – let us help you enhance your bottle packaging with our premium stainless steel rings.
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