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316L Stainless Steel Ring OD 20mm ID 16mm Precision Turned Parts Factory Direct Low MOQ
Product Spotlights
316L stainless steel ring, OD 20mm ID 16mm, precision turned with tight tolerance (±0.01mm). Factory direct from ISO9001 manufacturer, low MOQ starting from 10pcs. Customizable dimensions and surface finish. Ideal for industrial, marine, medical, and jewelry applications. Reliable quality with material traceability and fast global shipping.
US$ 2.3 - 4.1
MOQ: 30 Pieces
Key Specifications
Get Latest Price
Material:
Other, 316L Stainless Steel
Outer Diameter (OD):
20mm
Inner Diameter (ID):
16mm
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
10 days
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Material
Other, 316L Stainless Steel
Outer Diameter (OD)
20mm
Inner Diameter (ID)
16mm
Processing Method
Precision Turned
Surface Finish
Customizable (e.g., Polished, Passivated)
Application
Precision Components, Jewelry, Industrial Parts
Packaging
Per customer request
Minimum Order Quantity (MOQ)
Low MOQ available
Certification
ISO9001
Customization
OD, ID, thickness, surface finish customizable
As a direct factory specializing in precision turned parts, Dongguan HonHo Jewelry Co., Ltd. is proud to offer our 316L Stainless Steel Ring with OD 20mm and ID 16mm. Manufactured with state-of-the-art CNC turning technology, this ring delivers exceptional dimensional accuracy and repeatability for demanding applications. Our factory-direct model eliminates middlemen, allowing us to provide competitive pricing even with low minimum order quantities (MOQ). Whether you need prototypes or small-batch production, we are your reliable partner for high-quality precision components.
Product Overview & Key Features
- Premium Material: Made from genuine 316L stainless steel, offering excellent corrosion resistance against acids, chlorides, and harsh environments. Ideal for marine, medical, food processing, and chemical applications.
- Precision Turned: Each ring is machined on advanced CNC lathes to achieve tight tolerances (±0.01mm) and consistent surface finish. No burrs, no deformation – guaranteed quality.
- Exact Dimensions: Outer diameter 20mm, inner diameter 16mm. Available in other sizes upon request – fully customizable to your specifications.
- Factory Direct & Low MOQ: As a manufacturer, we control every step of production. We accept small orders, typically starting from just 10-50 pieces, making it easy for R&D, prototyping, or low-volume production.
- Versatile Applications: Used as spacers, bushings, connector components, jewelry findings, sensor housings, and more. Suitable for both functional and decorative purposes.
| Parameter | Specification |
|---|---|
| Material | 316L Stainless Steel (ASTM F138 / 1.4404) |
| Outer Diameter (OD) | 20 mm (±0.01 mm) |
| Inner Diameter (ID) | 16 mm (±0.01 mm) |
| Thickness / Height | Customizable (default 2 mm – please specify) |
| Surface Finish | As-turned, bright polished, or passivated (optional) |
| Hardness | Typically 180-200 HV (annealed); work-hardened on request |
| Tolerance | ISO 2768-m (finer tolerances available) |
| Packaging | Bubble wrap / plastic bags / custom packaging upon request |
Manufacturing Excellence & Quality Assurance
- Precision CNC Lathes: We operate a fleet of high-speed Swiss-type and multi-axis CNC machines, ensuring each ring is produced with exceptional consistency.
- In-House Inspection: Every batch undergoes dimensional inspection using CMM, micrometers, and go/no-go gauges. Surface quality is verified under magnification.
- ISO9001 Certified: Our quality management system is certified to ISO9001, ensuring traceability, process control, and continuous improvement.
- Material Traceability: All 316L raw materials come with mill certificates, guaranteeing chemical composition and mechanical properties.
Why Choose Dongguan HonHo Jewelry Co., Ltd.?
Established in 2010, we have grown into a trusted manufacturer with a factory spanning 3,000–5,000 square meters and a dedicated team of 51–100 skilled employees. Our annual export value reaches US$2.5 million – US$5 million, serving clients across North America, South America, Europe, Asia, Africa, and Oceania. With ISO9001 certification, we maintain rigorous quality standards. Our strategic location in Dongguan, Guangdong – a major manufacturing hub – allows us to offer fast shipping from Shenzhen, Dongguan, or Guangzhou ports. We welcome OEM/ODM orders and provide low MOQ to support your business needs. By working directly with our factory, you benefit from transparent pricing, flexible customization, and responsive technical support.
Frequently Asked Questions
-
Q: Can you customize the thickness or other dimensions?
A: Yes, we can adjust the thickness, OD, ID, and even add grooves or holes based on your drawing or sample. Customization is welcome with low MOQ. -
Q: What is the typical lead time for this ring?
A: For standard sizes and small quantities (under 1000 pcs), lead time is usually 5–10 working days. Larger orders may require 15–25 days. We always confirm the schedule before production. -
Q: Is the material 316L stainless steel food-grade?
A: 316L is commonly used in food processing due to its excellent corrosion resistance and low carbon content. It is suitable for contact with food under normal conditions; however, specific certifications for food contact can be provided upon request. -
Q: What surface finishes do you offer?
A: Standard finish is as-turned (smooth but matte). We also offer bright polishing, electropolishing, passivation, and bead blasting. Please specify your requirement. -
Q: Do you provide free samples?
A: Yes, we can provide a few free samples for evaluation. You only need to cover the shipping cost. We will prepare samples within 3–5 days after drawing confirmation. -
Q: How do you ensure quality for each batch?
A: We follow a strict QC procedure: incoming material inspection, in-process inspection, final inspection, and outgoing quality check. Our ISO9001 system ensures every step is documented and traceable. -
Q: What is your minimum order quantity (MOQ)?
A: Our MOQ is very flexible. For standard rings, MOQ can be as low as 10 pieces. For custom designs, MOQ may start at 50–100 pieces depending on complexity. We encourage customers to discuss their needs with us. -
Q: How do I get a quote?
A: Please send us your detailed requirements including dimensions, quantity, surface finish, and any special requests. Our sales team will respond with a competitive quotation within 24 hours.
Contact us today to discuss your precision ring needs. With factory-direct pricing, low MOQ, and ISO9001 quality, Dongguan HonHo Jewelry Co., Ltd. is your ideal partner for stainless steel turned parts.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2010
Factory Size
3,000-5,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
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