What is the minimum order quantity (MOQ)?

The standard MOQ is 5000 pieces, though low MOQ is also welcome.

Do you provide free samples?

Yes, free samples are available for testing quality before placing a bulk order.

What payment terms do you accept?

We accept Western Union, L/C, T/T, and PayPal.

Zinc Plated Metal Extension Spring

Name: Zinc Plated Metal Extension Spring
Brand: Dongguan Bosin Hardware Co., Ltd.
SKU: 821724505

Guangdong, ChinaDongguan Bosin Hardware Co., Ltd.

US$0.01-1.00

1,000 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Function

Pressed, Phonation, Buffer, Drive, Restoration, Measurement

Material

Steel

Model NO.

Usage

Industrial, Auto, Furniture, Motorcycle, Home Appliance

Load Type

Extension

Production Process

Hot Roll

Shape

Spiral

Surface Treatment

Plated

Service

OEM

Length

0.2-10000mm

Wire

0.2-35mm

Spring Shape

Cylinder

Quality Control

100%Inspection

Sample

Free

MOQ

5000

Transport Package

Plastic Bag +Carton Box

Specification

1mm-200mm width

Trademark

Bosin

Origin

Dongguan

HS Code

7320109000

Production Capacity

10000000/Month

Key features

Customizable Dimensions: Length 0.2-10000mm and Wire 0.2-35mm available per requirement.

Wide Material Selection: Includes Steel, Stainless Steel, Brass, Iron, Alloy Steel, Aluminum, and Nylon.

Advanced Surface Treatment: Options include Zinc plated, Ni-plated, Chrome plated, Anodize, and more.

ISO 9001 Certified: Manufactured to ISO 9001 standards ensuring consistent quality.

Enhanced Fatigue Life: Shot-peening technology significantly increases spring durability.

Free Sample Availability: Samples provided free of charge for quality testing before mass production.

Fast Delivery: Sample lead time 3-7 days; Mass production 8-15 days.

100% Quality Inspection: Professional QC team ensures every product passes strict safety tests.

Company profile

Dongguan Bosin Hardware Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Trading CompanyExport Year: 2017-03-14 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.24h CertifiedTerms of Payment: T/T, PayPal CertifiedInternational Commercial Terms(Incoterms): FOB, EXW

About Our Factory & Business Background

AddressNo. 25, Lane 25, Jinxin Road, Dongguan, Guangdong, China

Plant Area100 square meters

Number of Employees3

Registered Capital500,000 RMB

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsMetal Buckle, Snap Hook, Fastener, Split Ring, Keychain, Carabiner, Chain

Our Industry Experience & Global Business Record

Year of Establishment2015-04-15

Main MarketsNorth America, Europe

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Product CertificationOthers

Product Q&A

Q:What materials are available for the extension spring?

We offer Steel (C45, C46, C20), Stainless Steel (SUS201-420), Brass, Iron, Alloy Steel, Aluminum, and Nylon.

Q:Can the spring dimensions be customized?

Yes, we support custom lengths from 0.2mm to 10000mm and wire diameters from 0.2mm to 35mm.

Q:What is the lead time for samples and mass production?

Sample production takes 3-7 days, while mass production requires 8-15 days.

Q:Is OEM service available?

Yes, we provide OEM services and accept customer designs and requirements.

Q:What surface treatments can be applied?

Available treatments include Zinc plated, Ni-plated, passivate, Ti-plated, Sandblast, Anodize, Chrome plated, and Electro plating.

Send Inquiry

*To: