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Help Center304 Stainless Steel Bottle Ring for Water Bottle, 25mm Diameter, 1.5mm Thickness, Food Grade, Corrosion Resistant
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a trusted manufacturer specializing in metal hardware components. With over two decades of precision engineering experience, we proudly present our 304 Stainless Steel Bottle Ring — a premium accessory designed for water bottles, thermoses, and various liquid containers. This 25mm diameter, 1.5mm thickness ring is crafted from food-grade 304 stainless steel, ensuring exceptional corrosion resistance and long-lasting durability. It is the ideal solution for both OEM projects and replacement needs, offering a perfect balance of strength and lightweight design.
Our bottle ring is manufactured using advanced stamping and polishing techniques, resulting in a smooth, burr-free surface that is safe for direct contact with drinking water. It is widely used in the production of sports bottles, vacuum flasks, camping canteens, and baby bottles. The 25mm diameter fits most standard bottle necks, while the 1.5mm thickness provides reliable structural integrity without adding unnecessary weight. Whether you are a bottle manufacturer looking for a consistent component or a distributor seeking high-quality accessories, this product meets the highest industry standards.
Key Features & Technical Specifications
- Material: Premium 304 stainless steel (food grade) – resistant to rust, oxidation, and acidic beverages.
- Dimensions: 25mm inner diameter, 1.5mm thickness – precise tolerances for secure fit.
- Surface Finish: Available in bare (as-rolled) or polished mirror finish – custom finishes upon request.
- Versatility: Suitable for water bottles, coffee mugs, thermoses, and even as a reinforcement ring for plastic or glass containers.
- Easy Installation: Can be pressed, welded, or snap-fit into bottle necks – no special tools required.
- Sanitary Design: Smooth edges, no sharp corners – easy to clean and safe for repeated use.
| Specification | Details |
|---|---|
| Material Grade | 304 Stainless Steel (AISI 304) |
| Inner Diameter | 25mm (+/- 0.2mm) |
| Wall Thickness | 1.5mm (+/- 0.1mm) |
| Outer Diameter | Approx. 28mm (depending on finish) |
| Weight (per piece) | ~5.5 grams |
| Corrosion Resistance | Passes 72-hour salt spray test (standard) |
| Food Safety | Compliant with food contact regulations (no heavy metal leaching) |
| Packing | Bulk in cartons, or custom packaging available |
Why choose our 304 Stainless Steel Bottle Ring? Unlike ordinary plastic or aluminum rings, stainless steel offers superior strength-to-weight ratio and does not degrade over time. The food-grade surface ensures that no metallic taste or harmful substances leach into your beverages. Its corrosion resistance makes it suitable for both hot and cold liquids, as well as outdoor environments where exposure to moisture is common. Additionally, the 1.5mm thickness provides enough rigidity to prevent deformation during tightening or removal, while maintaining a lightweight profile that does not add unnecessary bulk to the bottle.
This product is widely used in the sports bottle industry, promotional gift market, and outdoor gear manufacturing. It can also serve as a replacement part for damaged or worn-out bottle rings. We offer customization options such as different diameters (from 20mm to 40mm), thickness variations, and surface treatments like polishing, brushing, or even laser engraving for branding. Minimum order quantities are flexible, and we welcome both small trial orders and large-volume contracts.
Trust & Reliability
As a manufacturer with 27 years of experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory has exported to a wide range of markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our annual export value exceeds US$5 million, and we regularly ship from major ports such as Tianjin, Qingdao, Shanghai, and Foshan. We have established long-term partnerships with clients in the beverage container industry, and our quality control team inspects every batch to ensure dimensional accuracy and surface finish consistency.
We understand the importance of reliable sourcing. That’s why we offer free samples for evaluation (sample shipping cost negotiable), and our production lead time is typically 15-25 days depending on order quantity. All products are packed securely to prevent damage during transit. Whether you need a standard ring or a custom-designed solution, our engineering team is ready to assist you. Contact us today to discuss your specific requirements and receive a competitive quote.
Frequently Asked Questions
Q1: Is this ring suitable for carbonated beverages?
A: Yes, 304 stainless steel is resistant to carbonic acid and will not corrode or react with carbonated drinks. However, we recommend using it with bottles that have a proper sealing cap to prevent leakage.
Q2: Can I use this ring for a 32oz wide-mouth bottle?
A: Our standard 25mm diameter ring is designed for narrow-mouth bottles. For wide-mouth bottles (e.g., 38mm or 48mm), we offer custom sizes. Please contact us with your specific dimensions.
Q3: Does the ring have sharp edges after cutting?
A: No. All our rings are deburred and polished to a smooth finish. They are safe to handle and will not scratch the bottle neck or your hands.
Q4: What is the minimum order quantity (MOQ)?
A: For standard size rings, MOQ is 1000 pieces. For custom sizes, MOQ may vary – please inquire for details.
Q5: Can I get a sample before placing a bulk order?
A: Yes, we provide free samples (up to 5 pieces) for quality evaluation. You only need to pay for the shipping cost. Samples are available within 7 days after request.
Q6: Is this ring dishwasher safe?
A: Absolutely. 304 stainless steel is highly resistant to heat and detergents. The ring can withstand repeated dishwasher cycles without tarnishing or losing its shape.
Q7: Do you offer any color options or coating?
A: The standard finish is bare silver (as-rolled). We can provide a polished mirror finish, brushed finish, or even a PVD coating (e.g., gold, black) upon request for customized orders. Please note that additional coating may affect food-grade certification.
Q8: How is the ring packaged for export?
A: Typically, rings are packed in poly bags and then in standard export cartons. We can also provide custom packaging, such as blister packs or branded boxes, if needed.
Note: All technical parameters are nominal and subject to standard manufacturing tolerances. For critical applications, we recommend ordering samples for fit testing. Contact our sales team for more details on customization, lead times, and pricing.
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