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 USD, full advance payment is recommended. We also accept LC, D/P, PayPal, and Western Union.

What quality assurance measures do you have?

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

Where is the company located?

Ningbo Yinzhou Sokun Import & Export Co., Ltd. is located in Ningbo, Zhejiang, China, a major port city with excellent transportation infrastructure.

Reliable DIN 434 Square Taper Washers for Structural Use

Name: Reliable DIN 434 Square Taper Washers for Structural Use
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2199858665

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

Beveled Washers

Material

Brass

Model NO.

DIN 434

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Beveled 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 structural needs.

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

Durable Material Options: Available in carbon steel and stainless steel with various finishes like zinc plating.

ISO Certified Manufacturer: Established in 2009 with ISO certification and rigorous quality assurance protocols.

Free Sample Availability: Provides 1-3 free standard samples with express shipping options for evaluation.

Low Minimum Order: Accepts minimum orders as low as 1 Kg, suitable for small batch testing.

Global Shipping Capability: Exports to North America, Europe, Asia, and more via Shanghai and Ningbo ports.

Professional Engineering Team: Expert teams provide precision development, lean manufacturing, and after-sales support.

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: ≤5.09h

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 washers?

The washers are available in carbon steel and stainless steel, with finishes including zinc plating, hot dip galvanized, Dacromet, nickel plating, black oxide, and plain.

Q:Can the product be customized?

Yes, we offer flexible customization including full customization from samples, designs, or specific customer requirements, supporting standards like GB, DIN, ISO, and JIS.

Q:What is the minimum order quantity?

The minimum order quantity is 1 Kg, making it accessible for small batch orders and testing.

Q:How long is the delivery time?

Standard delivery time is normally 30-40 days. For samples, prototyping takes within 15 working days. Peak season lead time is one month, while off-season is also one month.

Q:Are free samples available?

Yes, free samples (1-3 pcs of standard specification) are available. Sample costs are refundable upon bulk order confirmation. Express shipping can be arranged via DHL/UPS/FedEx.