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Help CenterZinc Plated Irregular Spring 5mm Outer Diameter 20mm Free Length 0.5N/mm Spring Rate
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998 and with annual export sales of US$5-10 million, proudly presents this Zinc Plated Irregular Spring with 5mm outer diameter, 20mm free length, and 0.5N/mm spring rate. As a trusted manufacturer serving markets across North America, South America, Europe, Asia, Africa, and Oceania, we deliver precision-engineered springs that meet the rigorous demands of diverse industrial applications. This spring combines advanced surface treatment with irregular geometry to provide reliable performance in confined or non-standard spaces.
Key Features & Benefits
- Zinc Plated Surface: Provides excellent corrosion resistance, extending service life in humid or mildly corrosive environments. The plating also offers a uniform, aesthetically pleasing appearance.
- Irregular Shape: Unlike standard helical springs, this irregular design allows for installation in unconventional spaces, angled mounts, or where clearance is limited. Ideal for custom assemblies, automotive components, and specialized machinery.
- Precise Spring Rate (0.5N/mm): Consistent force-deflection characteristics ensure predictable performance, crucial for applications requiring accurate load control, such as valves, switches, and small mechanisms.
- Compact Dimensions: With 5mm outer diameter and 20mm free length, this spring is suitable for miniaturized devices, electronics, and precision instruments where space is at a premium.
- Durable Material: Manufactured from high-quality carbon steel wire, offering good fatigue life and strength. The zinc plating further enhances durability and wear resistance.
- Versatile Applications: Commonly used in electrical switches, automotive actuators, medical devices, industrial automation, and consumer goods. The irregular shape can be customized to match specific actuator paths.
Technical Specifications
| Parameter | Value |
| Outer Diameter | 5 mm |
| Free Length | 20 mm |
| Spring Rate | 0.5 N/mm |
| Material | Carbon Steel, Zinc Plated |
| Shape | Irregular (customizable) |
| Wire Diameter | Customizable upon request |
| Surface Hardness | Optional (e.g., through-hardened) |
| Ends | Closed or open, ground or not ground |
Detailed Description
This zinc plated irregular spring is engineered to deliver consistent performance in applications where standard springs cannot fit. The unique geometry allows it to be compressed along a non-linear path or to accommodate offset loading. The 0.5N/mm spring rate ensures that for every millimeter of compression, 0.5 Newtons of force is generated, providing a predictable force profile for system designers.
The zinc plating process is applied after forming, giving a uniform coating that protects the base metal from oxidation. This makes the spring suitable for use in environments with moderate humidity, occasional exposure to water, or contact with non-aggressive chemicals. For harsh environments, optional additional coatings (e.g., passivation, oiling) are available.
Each spring is manufactured under strict quality control procedures at our facility in Hengshui, Hebei. We use high-speed spring coiling machines and automated inspection systems to ensure dimensional accuracy and consistent spring rate. The irregular shape is achieved through precision tooling, and we can produce custom profiles based on customer drawings or samples.
Typical applications include: tiny valves in pneumatic systems, push-button mechanisms in consumer electronics, connector contacts in electrical assemblies, and return springs in automotive interior components. The compact size and irregular shape enable engineers to design more compact and efficient products.
Why Choose Anping Boli?
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 reflects the trust of global buyers across North America, South America, Europe, Asia, Africa, and Oceania. We ship from major ports (Tianjin, Qingdao, Shanghai) with fast lead times. Our team is ready to assist with custom designs, volume orders, and technical support. Contact us today to discuss your spring requirements.
Frequently Asked Questions (FAQ)
-
What materials are used for this spring?
It is made from high-carbon steel wire with a zinc plating finish. Other materials like stainless steel or phosphor bronze are available upon request. -
Can the spring rate be customized?
Yes, we can adjust the wire diameter, coil diameter, and number of coils to achieve a different spring rate. Please provide your target force/deflection requirements. -
What is the maximum operating temperature?
For standard zinc-plated carbon steel, the recommended maximum temperature is around 120°C (250°F). For higher temperatures, alternative materials or coatings are available. -
Are these springs suitable for outdoor use?
Zinc plating provides moderate corrosion resistance. For prolonged outdoor exposure, we recommend additional protective coatings or stainless steel options. -
How do I order a custom irregular shape?
Please provide a 2D drawing or 3D model with the desired spring dimensions, shape, and load requirements. We can produce samples for approval. -
What is the minimum order quantity (MOQ)?
MOQ for standard sizes is 200 pieces. For custom designs, MOQ may vary based on complexity. Contact us for details. -
Do you offer samples before bulk order?
Yes, sample orders are welcome. Sample cost is charged, but refundable upon bulk order placement. -
How long does production take?
Typical lead time for standard orders is 7-15 days after sample approval. Larger quantities may require 15-30 days.
We are confident that our Zinc Plated Irregular Spring will meet or exceed your expectations. Backed by decades of manufacturing expertise and a global customer base, we commit to delivering quality products and responsive service. Inquire now for a quote or technical consultation.
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