What is the minimum order quantity?

The minimum order quantity is 1000 pieces.

What is the endurance limit of the spring?

The endurance limit is 100,000 times.

Stainless Steel Flat Spiral Spiral Constant Force Spring.

Name: Stainless Steel Flat Spiral Spiral Constant Force Spring.
Brand: Dongguan Weihui Hardware Spring Products Co., Ltd.
SKU: 1908952212

Guangdong, ChinaDongguan Weihui Hardware Spring Products Co., Ltd.

US$0.09

1,000-1,999 Pieces

US$0.07

2,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Function

Retainning

Material

Stainless Steel

Model NO.

N/A

Usage

Industrial, Motorcycle

Load Type

Bend

Production Process

Hot Roll

Shape

Leaf

Transport Package

Inner Plastic Bag and Outer Carton

Specification

CUSTIOMIZED

Trademark

weihui

Origin

China

HS Code

7320209000

Production Capacity

60000000

Key features

Customizable Color: Color can be customized according to customer requirements.

Customizable Size: Size and dimensions can be customized based on drawings or samples.

High Endurance Limit: Endurance limit reaches 100,000 cycles for reliable long-term performance.

Fast Sample Delivery: Samples available within 7 days; free if tools are available.

Competitive Pricing: Reasonable and competitive prices compared to other manufacturers.

Rapid Response Service: Customer inquiries are responded to within 24 hours.

OEM/ODM Capability: Full customization, minor customization, and flexible options available.

High Production Capacity: Supply ability of 3,000,000 pieces per week with 6-10 day lead time.

Company profile

Years of Export ExperienceHigh Repeat Buyers Choice

Dongguan Weihui Hardware Spring Products Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤6.30h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a professional technical supplier with manufacturing, export, service, quality-control, and R&D capabilities. It supports extensive customization, ODM, OEM for well-known brands, and reported new product development in the past year. Production exceeds 10 lines, with 6–10 quality-control staff, but only one year of total R&D engineer experience is stated. Service-support infrastructure is limited: no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and no overseas service countries are reported. The supplier has quality assurance, but lacks written service procedures and an approved-supplier list. Financial records are identified by year, but no performance values are provided. No certification information or specific customer cases is supplied.

Supplier typeThe supplier is explicitly described as a professional technical supplier and a growing manufacturer, while its company type is listed as Combined. It reports more than 10 production lines and offers manufacturing, export trade, service, quality-control, and R&D functions.

R&D capabilityThe supplier is identified as a professional technical supplier, reported new products during the past year, and offers ODM services. However, it has no available SDK, and the stated total experience of R&D engineers is only one year, so the evidence supports product-development activity but not a conclusively strong innovation position.

Production capacityThe supplier operates more than 10 production lines, has 6–10 quality-control staff, and reports peak- and off-season lead times ranging from within 15 workdays to one month. Finished products are checked by packing staff, indicating an inspection step, although the stated inspection method appears limited.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also provides ODM and OEM services, including OEM service for well-known brands, directly demonstrating broad customization capability.

Product Q&A

Q:What is a constant force spring used for?

The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs are in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions. It generates the constant force which can lift the goods in even speed.

Q:What is the constant force spring load determined by?

The load is basically determined by the thickness and width of the material and the diameter of the coil. The most common material is stainless steel 301.

Q:Can the constant force spring size be customized?

Yes, the constant force spring can be customized. You can send the size or drawing to us to check the manufacturing feasibility.

Q:What information is required to check manufacturing feasibility?

Please provide the following basic information: 1. Material type, 2. Thickness, 3. Width, 4. Length, 5. Outer diameter or inner diameter.

Q:How long does it take to get samples?

We can send samples for your approval within 7 days. It is free of charge if we have available tools.