What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 Kg.

What quality assurance protocols do you follow?

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

Premium Durable Square Washers for Wood Applications - DIN 436 Certified

Name: Premium Durable Square Washers for Wood Applications - DIN 436 Certified
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200245465

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

Square Washers

Material

Brass

Model NO.

DIN 436

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Square 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 436 Certification: Meets high-quality DIN 436 standard for robust square washers.

Customizable Standards: Available in GB, DIN, ISO, and JIS standards based on requirements.

Flexible Customization: Full customization from samples or designs with flexible options.

Diverse Finishes: Options include Zinc Plated, Hot Dip Galvanized, Dacromet, and Nickel Plated.

Material Variety: Constructed from high-grade Carbon steel and Stainless steel.

Free Sample Availability: 1-3 pcs standard specification free samples with express shipping options.

ISO Certified Manufacturer: Established in 2009 with comprehensive R&D and quality assurance.

Global Market Reach: Serving clients across North America, Europe, Asia, and South America.

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 is the delivery time for orders?

Normally in 30-40 days. Peak season lead time is one month, and off-season is also one month.

Q:Can I get a sample before placing a bulk order?

Yes, free samples (1-3 pcs) are available. Customized samples take 15 working days. Sample cost is 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. For orders under $1,000, full advance payment is recommended. LC at sight is negotiable for bulk orders.

Q:What customization options are available?

We offer flexible customization including full customization from samples or designs. Standards can be GB, DIN, ISO, or JIS.

Q:What materials are used for these washers?

The washers are made from Carbon steel and Stainless steel.