What surface treatments are available?

We provide Black, Zinc, or Customized surface treatments depending on your specific requirements.

What grades of carbon steel do you supply?

We supply Carbon Steel fasteners in Grades 4.8, 8.8, 10.9, and 12.9.

What standards do your products meet?

Our products meet DIN, ANSI, and GB standards, covering various national and international specifications.

Spring Washers

Name: Carbon Steels Fasteners Chinese Factory Supply Washers/Flat Washers/Spring Washers
Brand: Handan Daduo Metal Products Co., Ltd.
SKU: 2232506645

Hebei, ChinaHandan Daduo Metal Products Co., Ltd.

US$0.01-0.05

3,000 Pieces

Product profile

Customization

Available

Type

Spring Washer

Material

Carbon Steel

Model NO.

M3-M30

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Grade

4.8/8.8/10.9/12.9

Surface Treatment

Black/Zinc/Customized

Standard

DIN, ANSI, GB

Testing

Salt Spray Test

Item

Fasteners

Delivery Time

15-30 Days

Transport Package

Boxes

Specification

18*15*18mm

Trademark

da duo

Origin

Hebei China

Key features

Customized Surface Treatment: Offers Black, Zinc, or Customized surface treatments based on client requirements.

OEM/ODM Services: Supports custom logo and design imprinting for personalized product branding.

High Production Capacity: Annual output exceeds 8,000 tons with 30 sets of equipment and 60+ employees.

Wide Material Range: Available in Grade 4.8, 8.8, 10.9, and 12.9 Carbon Steel options.

Fast Sample Delivery: Samples are available and can be obtained upon request for quality verification.

Global Export Experience: Products exported to Asia, North America, Europe, and other international markets.

Strict Quality Testing: Undergoes Salt Spray Test to ensure durability and corrosion resistance.

Flexible Shipping Options: In-stock items ship within one week; customized orders ship within one month.

Company profile

High Repeat Buyers ChoiceQuality AssuranceQA/QC InspectorsIn-stock Capacity

Handan Daduo Metal Products Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Designs, Full Customization, etc.Export Year: 2011-03-17Nearest Port: TianjinAverage Response Time: ≤0.08hTerms of Payment: LC, T/T, D/P

About Our Factory & Business Background

AddressLinmingguan Town Xiduanzhuang Industrial Zone, Handan, Hebei, China

Plant Area2193.1 square meters

Number of Employees26

Registered Capital2,000,000 RMB

International Commercial Terms(Incoterms)FOB

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsBolt, Carriage Bolt, Nut, Washer, Screw, Stud

Production Lines25

Production MachinesWire drawing machine, Cold heading and thread rolling machine

QA/QC inspectors2 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

R&D Engineers1 people

Traceability of Raw MaterialsNo

Our Industry Experience & Global Business Record

Year of Establishment2022-08-05

Main MarketsNorth America, Southeast Asia, Africa, Eastern Asia

Repeat Buyers Choice80%~100%

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:Can I obtain samples?

Yes, samples are available for customers to check quality before placing orders.

Q:Can I use my own logo or design on the product?

Yes, we offer OEM/ODM services, and your logo and design can be imprinted on the product.

Q:Do you have a factory?

Yes, we have a factory in Hebei, China. You are welcome to visit our company and factory.

Q:What is the production capacity of your factory?

Our factory boasts 30 cold heading machines of various sizes, employs nearly 60 skilled workers, and has an annual production capacity of 8,000 tons.

Q:When will the goods be shipped?

Some products are in stock and guaranteed to be shipped within one week. For customized orders, they will be shipped within one month after production is arranged.