What is the usual delivery time?

As usual, the delivery time is within 10 days.

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We will respond to you within 24 hours.

Flat Spiral Stainless Steel Constant Force Spring for Balance

Name: Flat Spiral Stainless Steel Constant Force Spring for Balance
Brand: Dongguan Weihui Hardware Spring Products Co., Ltd.
SKU: 841740835

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

Extension

Production Process

Hot Roll

Shape

Leaf

Transport Package

Inner Plastic Bag and Outer Carton

Specification

CUSTIOMIZED

Trademark

N/A

Origin

China

HS Code

7320909000

Production Capacity

30000 Pieces/Week

Key features

Customizable Color: Color is available as per customer's custom request.

Fast Sample Delivery: Samples can be sent for approval within 7 days.

High Endurance: Designed for 100,000 times endurance limit usage.

OEM/ODM Support: Full customization available from samples, designs, or minor adjustments.

Competitive Pricing: Reasonable and competitive prices with best service guarantee.

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: ≤4.00h

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?

It is used for applications requiring a constant load, such as 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 constant force to lift goods at an even speed.

Q:What is the load determined by?

The load is basically determined by the thickness and width of the material and the diameter of the coil.

Q:What material is commonly used?

The most common material is stainless steel 301.

Q:Can the constant force spring be customized?

Yes, the constant force spring can be customized. You can send the size or drawing to us to check the manufacturing feasibility. Please provide material type, thickness, width, length, and outer or inner diameter.

Q:What is the sample delivery time?

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