What materials are used for the constant force spring?

The most common material is stainless steel 301. Other materials like lead, aluminum, steel, or aluminum can be used for specific cable sheaths or armor wires.

How does the company ensure quality and service?

We have professional R&D and quality control teams, offer free samples for approval, respond within 24 hours, and provide competitive prices with best service.

Stainless Steel Constant Force Spring for Solderless Connection

Name: Stainless Steel Constant Force Spring for Solderless Connection
Brand: Dongguan Weihui Hardware Spring Products Co., Ltd.
SKU: 942014035

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

US$0.04

1,000-1,999 Pieces

US$0.02

2,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Function

Pressed, Drive, Restoration, Retainning

Material

Stainless Steel

Model NO.

C-001

Usage

Industrial, Motorcycle

Load Type

Bend

Production Process

Hot Roll

Shape

Spiral

Name

OEM Flat Spiral Constant Force Spring for Cable

OEM

Support

Delivery Time

10-15 Days

Color

as Picture

Transport Package

Inner Plastic Bag and Outer Carton

Specification

CUSTIOMIZED

Trademark

Origin

China

HS Code

7320909000

Production Capacity

3000000 Pieces/Week

Key features

Customizable Design: Supports OEM/ODM with custom sizes, drawings, and samples provided by customers.

High Durability: Endurance limit of 100,000 cycles with a one-year validity period.

Versatile Applications: Ideal for counterbalances, cable retractors, door closers, and industrial machinery.

Fast Delivery: Standard lead time of 6-10 days with a supply ability of 30,000 pieces per week.

Professional Manufacturer: Specialized in springs since 2006 with experienced R&D and quality control teams.

Free Sample Service: Free samples available for approval within 7 days if tools are available.

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

Global Reputation: Trusted by customers in America, Europe, and Australia with 10 years of export experience.

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: ≤3.88h

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 constant load, such as counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture, gym equipment, hair dryers, toys, electric motors, appliances, and space vehicles.

Q:What is the endurance limit of the spring?

The endurance limit is 100,000 times, and the period validity is one year.

Q:Can the constant force spring be customized?

Yes, it can be customized. You can send your size or drawing to us to check manufacturing feasibility. Please provide material type, thickness, width, length, and outer/inner diameter.

Q:What is the minimum order quantity?

The minimum order quantity is 1,000 pieces.

Q:What is the lead time for production?

The lead time is 6-10 days. For peak seasons, it may take within 15 workdays or one month.