What is the typical delivery time?

Normal delivery time is 15-30 days. Peak season lead time may extend to one month, while off-season is also about one month.

Is customization service available?

Yes, we offer flexible customization including customization from samples, designs, and full customization services.

How do you ensure product quality?

We implement a two-stage QA protocol: pre-production sampling with dimensional verification and full batch inspection including torque testing and salt spray analysis.

Premium Durable Washers for Optimal Ball Bearing Functionality

Name: Premium Durable Washers for Optimal Ball Bearing Functionality
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200187845

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 42013

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

Customizable Standards: Supports GB, DIN, ISO, and JIS standards for diverse application needs.

Flexible Customization: Offers full customization from samples, designs, or specific requirements.

Multiple Finishes: Available in Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and more.

Free Sample Service: Provides 1-3 free standard samples with express shipping via DHL/UPS/FedEx.

ISO Certified Quality: Rigorous two-stage QA including torque testing and salt spray analysis.

Low MOQ: Minimum order quantity is only 1 Kg, suitable for small batch testing.

Fast Delivery: Standard delivery time is 15-30 days for most orders.

Global Supply Chain: Exported to North America, Europe, Asia, and other global markets.

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: ≤4.96h

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 materials are available for these spring washers?

We offer Carbon steel and stainless steel options to meet different durability and corrosion resistance requirements.

Q:Can I customize the size and finish of the washers?

Yes, sizes are available according to customer requirements and standards. Finishes include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.

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

The minimum order quantity is 1 Kg, making it easy to start with small batches.

Q:Do you provide free samples?

Yes, we provide 1-3 free standard specification samples. Sample costs are refundable upon bulk order confirmation.

Q:What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against Bill of Lading copy. For orders under $1,000, full advance payment is recommended.