What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against the Bill of Lading copy. For orders under $1,000 USD, full advance payment is recommended. We also accept LC at sight, D/P, PayPal, and Western Union.

What is the lead time for production?

Normal delivery time is 30-40 days. During peak seasons, the lead time is approximately one month, while off-season lead time is also around one month.

Do you offer customization services?

Yes, we offer flexible customization options including customization from samples, designs, and full customization. We can produce non-standard parts and fasteners according to specific customer requirements.

Heavy-Duty Zinc-Coated Spring Lock Washers for Industrial Applications

Name: Heavy-Duty Zinc-Coated Spring Lock Washers for Industrial Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192178995

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.03

10-4,999 Pieces

US$0.02

5,000-99,999 Pieces

US$0.01

100,000+ Pieces

Product profile

Customization

Available

Type

Spring Washers

Material

Brass

Model NO.

DIN 127

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Spring Washers

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

DIN 127 Standard Compliance: Manufactured to DIN 127 (A) standard for reliable industrial fastening performance.

Customizable Surface Finish: Available in Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain finishes.

Flexible Customization Options: Offers full customization from samples or designs, including standards like GB, DIN, ISO, and JIS.

ISO Certified Manufacturer: Established in 2009, ISO-certified with vertically integrated production and rigorous quality control.

Free Sample Availability: Provides 1-3 free standard samples with express shipping; cost refundable upon bulk order.

Low Minimum Order Quantity: Supports small batch orders with a minimum order quantity of just 1 Kg.

Multi-Material Selection: Constructs washers from Carbon Steel and Stainless Steel to meet diverse corrosion resistance needs.

Global Shipping Capability: Located in Ningbo with access to Shanghai/Ningbo ports, serving North America, Europe, and Asia.

Company profile

High Repeat Buyers ChoiceODM ServicesR&D CapabilitiesProduction Process Visualization

Ningbo Yinzhou Sokun Import and Export Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.84h

AI-Powered supplier vetting

SummarySokun is a limited company with 21 employees, related companies, and product coverage including fasteners, machined parts, and stamping parts. It supports customization from samples and designs, offers ODM services, and reports OEM service for well-known brands. Quality processes include quality assurance, documented inspection instructions, and complaint-handling records, although finished-product inspection is random and only one quality inspector is reported. Production-related strengths include in-stock capability, CNC and punching equipment, and one-month stated lead times in both peak and off-season periods. Key limitations are the absence of a valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, branches, agents, or showrooms, and no documented R&D audit materials, new products in the past year, or R&D patents. Financial credibility cannot be determined from the provided information.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with followed records and accepts several quotation and payment terms. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, limiting evidence of localized after-sales support.

R&D capabilityThe supplier provides ODM and multiple customization-based design services, but reports no new products during the past year, no available SDK, no R&D audit documentation, and zero R&D patents. These facts indicate design support but limited documented evidence of independent innovation.

Production capacityProduction evidence includes CNC and punching equipment, in-stock capability, one-month lead times in both peak and off-season, and a product scope aligned with machined and stamping parts. Nevertheless, there is no valid manufacturing-capacity contract with related subcontractors, which creates a documented capacity-governance weakness.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, flexible customization, and minor customization, and also offers ODM services. This is direct evidence of broad customization capability.

Product Q&A

Q:What standards do your spring washers comply with?

Our spring lock washers comply with DIN 127 (A) standard. We also support customization to GB, DIN, ISO, and JIS standards based on customer requirements.

Q:What materials are used for these washers?

We manufacture spring washers using Carbon Steel and Stainless Steel to ensure durability and appropriate corrosion resistance for industrial applications.

Q:What surface finishes are available?

Available finishes include Zinc Plated, Hot Dip Galvanized Steel, Dacromet, Nickel Plated, Black Oxide, and Plain. The specific finish can be customized according to your needs.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 Kg, allowing for flexible purchasing for both small and large industrial projects.

Q:Can I get free samples before placing an order?

Yes, we provide 1-3 free standard specification samples. Express shipping costs (DHL/UPS/FedEx) are covered by the customer's account. The sample cost is refundable upon confirmation of a bulk order.