How to ensure the quality?

We will complete all inspections before packaging the product. Sampling testing is also carried out in various stages of production.

How can I get a sample to check your quality?

After price confrmation, you can require for samples to check our quality. If you accept 1-3pcs similar products in manufacturing as samples, the samples will be free and we will charge for the freight cost first. If you need samples for small-scale production, we will charge a sample cost first. But, these fees will be refundable after order confirmation, when your order quantity exceeds our MOQ.

Can you send products to my country?

Sure, we can. If you do not have your own ship forwarder, we can help you.

What's your payment terms?

By T/T, Payment<=5000 USD, 100% in advance. Payment>=5000 USD, 30% in advance, balance before shipment.

How long is your production lead time?

It depends on product and order qty. Normally, we need about 15 days for production. On the premise of ensuring quality, we will ship the goods to you ASAP. Please feel free to contact us for detailed information.

China Fastener Factory Serrated Internal External Tooth Lock Washer

Name: China Fastener Factory Serrated Internal External Tooth Lock Washer
Brand: Shanghai Gentle Fasteners Technology Co.,Ltd.
SKU: 800416162

Shanghai, ChinaShanghai Gentle Fasteners Technology Co.,Ltd.

US$0.02

10,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Lock Washer

Material

Carbon Steel

Model NO.

DIN6797 DIN6798 A J

Combination Washer Structure

J Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Service

Customized

OEM ODM

Yes

Transport Package

26 * 26 * 10 Cartons in Bulk

Specification

M2.5 ~ M10

Trademark

SH or OEM

Origin

Made in China

HS Code

7315189001

Production Capacity

220mpieces/Year

Key features

30+ Years OEM/ODM Experience: Over three decades of expertise in customized and OEM/ODM manufacturing services.

Comprehensive Customization: Customizable material, size, grade, surface, head, driver, logo, and packaging.

Advanced Coating Processes: Mastering Greenkote Coating and Powder Zinc Infiltration for superior durability.

ISO9001 and TUV Certified: Products certified by ISO9001 and TUV ensuring high quality standards.

Wide Material Selection: Available in Carbon Steel, Alloy Steel, Stainless Steel, Brass, Copper, and Tin Bronze.

Multiple Standard Compliance: Meets DIN, GB, ISO, JIS, BA, ANSI, and other international standards.

Logo and Brand Printing: Custom logo printing available with Brand Authorization Letter.

Sample Design Support: Free design drawings provided based on customer requirements and ideas.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-branded

Shanghai Gentle Fasteners Technology Co.,Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company based in Minhang District, Shanghai, with stated equipment, metal-product, packaging-material, electronic-product, machinery, software, and related sales activities. It reports export activity for three years, self-operated import/export rights, and exports representing 51%–70% of total sales, with markets in Southeast Asia, the Middle East, East Asia, and Europe. The supplier states that it provides 3D software design, ODM, OEM for well-known brands, and multiple customization options, and reports new products in the past year. Service procedures for corrective and preventive actions and customer complaints are documented and followed. However, quality-assurance status is unknown; no overseas showroom, overseas agent or branch, or offline trade-show participation is reported. Production information is inconsistent across slices, and no certification holdings or customer case details are provided.

Supplier typeThe supplier is explicitly classified as a trading company, with its company nature also stated as a trading company. Its listed activities include trading, sales, technical services, and export-related business rather than an explicitly documented manufacturing identity.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and for handling customer complaints. However, it reports no overseas showroom, overseas agent or branch, or offline trade-show participation, so the evidence supports complaint-process capability but not broad overseas service coverage.

R&D capabilityThe supplier reports R&D-related capabilities including 3D software design, ODM services, and new products during the past year. It also states that no SDK is available, but this is a specific limitation and does not negate the documented broader innovation capabilities.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, directly supporting a broad customization offering.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. No named customers, project examples, or independently detailed case records are provided.

Product Q&A

Q:Are you a trading company or manufacturer?

We are factory and manufacturer.

Q:Can you do OEM ODM for me?

We accept all OEM ODM orders. Just contact us and show your ideas, we will design for you. We have over 30 years of customization experience and will provide personalized solutions for customers with different needs.

Q:Can I improve my existing product?

We will use professional technology to help you identify the reasons why your existing product is not working well and provide improvement plans.

Q:How can I customize my products?

Just contact us and let us know the detailed information of the product you need.. And we can print your logo according to your request and Brand Authorization Letter.

Q:Wonder if you accept small orders?

Do not worry. Feel free to contact us. We accept small order.