What are your payment terms?

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

What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 Kg, allowing for flexible ordering for both small batches and larger projects.

How do you ensure product quality?

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

Premium Spring Washers for Precision Bearing Adjustment DIN 42013

Name: Premium Spring Washers for Precision Bearing Adjustment DIN 42013
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200224765

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

DIN 42013 Standard Compliance: High-quality spring washers strictly adhering to DIN 42013 standards for axial bearing adjustment.

Flexible Customization Options: Customizable standards (GB, DIN, ISO, JIS), finishes, and sizes based on customer requirements.

Multi-Material Selection: Available in carbon steel and stainless steel to meet diverse environmental and strength needs.

Comprehensive Surface Finishes: Options include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.

Free Sample Availability: 1-3 pcs standard free samples available; sample cost refundable upon bulk order confirmation.

Rigorous Quality Assurance: Two-stage protocol: pre-production sampling and full batch inspection including torque and salt spray tests.

ISO Certified Manufacturer: Established in 2009, ISO-certified factory with vertical integration and lean manufacturing capabilities.

Low Minimum Order Quantity: Flexible MOQ starting from just 1 Kg, suitable for small batches and prototyping needs.

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 standards do these spring washers comply with?

The spring washers comply with DIN 42013 standards. We also support customization for GB, ISO, and JIS standards upon request.

Q:What materials are available for these washers?

We offer spring washers made from carbon steel and stainless steel to suit different application requirements.

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

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

Q:What is the delivery time for orders?

Normally, delivery takes 30-40 days. For peak seasons, lead time may extend to 1-3 months, while off-season lead time is about one month.

Q:Do you provide free samples?

Yes, we provide 1-3 pcs of standard specification free samples. Express shipping costs are on the customer's account, but the sample cost is refundable upon bulk order confirmation.