What are the payment terms?

For orders under $5,000, 100% payment in advance. For orders over $5,000, 30%-70% T/T in advance with the balance before shipment.

What is the packing method?

Standard packing is bulk in cartons (20-25kgs/carton, 36 cartons/pallet). We can also pack according to your specific requirements.

Do you provide after-sales service?

Yes, we offer full after-sales support. If there is transport damage or quality issues, please take photos and contact us immediately for proper handling.

Stainless Steel Spring Washer M4 M6 M8 M10 M12 M16 M20 M24 M27

Name: Stainless Steel Spring Washer M4 M6 M8 M10 M12 M16 M20 M24 M27
Brand: Zhejiang Unit Hardware Products Co.,Ltd
SKU: 2072401982

Zhejiang, ChinaZhejiang Unit Hardware Products Co.,Ltd

US$0.005-0.105

50,000 pcs

Sample price:US$50.00/bag.Request sample

Product profile

Customization

Available

Type

Hexagon Head

Material

Stainless Steel

Model NO.

M3 TO M48

Combination Washer Structure

A Type

Combination Washer Packaging

Without

Spring Washer Type

Standard

Connection

Common Bolt

Transport Package

Box and Ctns and Pallets

Specification

M3 TO M48

Trademark

UIE

Origin

Zhejiang China

HS Code

7318220001

Production Capacity

10000000

Key features

Premium Material Options: Made from SUS304, 316, and 201 stainless steel for high strength and corrosion resistance.

Wide Size Range: Available in sizes M3 to M48 to meet diverse industrial requirements.

International Standards: Complies with DIN, ANSI, ASTM, JIS, BSW, USS, and SAE standards.

Customization Support: Accepts custom drawings for surface treatment, material, and logo printing.

Stock Availability: SUS304 products are kept in stock for faster delivery after deposit.

Durable Performance: Wear-resistant with a long service life, passing high-strength durability tests.

Company profile

Zhejiang Unit Hardware Products Co.,Ltd

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2008-12-31Nearest Port: SHANGHAI OR NINGBOAverage Response Time: ≤6.61hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryZhejiang Unit Hardware Products Co.,Ltd is identified as a China-based private limited company and is described inconsistently as both a manufacturer/factory and a trading company. It offers hardware products, provides OEM services for well-known brands, and reports substantial production capacity across rivet nuts, stainless steel fasteners, and brass fasteners. Export sales account for 90%, with six years of exporting experience. The supplier reports ISO 9000, ISO 9001, and ISO 20000 certifications, but the validity and scope are not provided. Innovation evidence is weak because no new products were launched in the past year and no SDK is available. Customization is available, mainly flexible or minor customization. After-sales procedures exist for complaints and corrective actions, but no written records were provided, while quality-test equipment is reported as zero. Financial information is limited to year references, so financial credibility cannot be determined. No specific customer cases are...

CertificationsThe supplier reports holding ISO 9000, ISO 9001, and ISO 20000 management-system certifications. However, the slices do not provide certificate numbers, validity periods, or certification scopes, so the reported holdings are evidence of certification but cannot be further validated.

R&D capabilityThe supplier reports 21–30 years of total R&D engineer experience, but it has no available SDK and launched no new products during the past year. These explicit limitations outweigh the available R&D staffing information for assessing demonstrated innovation performance.

Production capacityThe supplier reports annual capacities of 5,000 tons of rivet nuts, 10,000 tons of stainless steel screws, 9,600 tons of stainless steel bolt nuts, 2,500 tons of brass screws, and 3,500 tons of brass bolts and nuts. It is also identified as a manufacturer/factory, providing explicit evidence of production capability.

Customization capabilityThe supplier explicitly offers flexible customization and minor customization services. This supports the ability to accommodate at least limited product modifications, although the scope of customization is not fully defined.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a specialized manufacturer of stainless steel and brass fasteners with over 20 years of experience, supported by a sales company with 15+ years of export experience.

Q:Do you accept small orders?

Yes, we accept small orders to provide more convenience to our clients. Please feel free to contact us for details.

Q:How can I get a sample to check quality?

After price confirmation, you can request samples. Stock samples are free but freight is collect. Custom samples incur a fee based on craftsmanship.

Q:How can I customize my products?

Please attach detailed drawings including surface treatment, material, quantity, and special requirements. We can also print your logo with a Brand Authorization Letter.

Q:What is the delivery time?

If goods are in stock, delivery takes 5-10 days. If not in stock, it takes 15-20 days depending on the quantity.