Is customization available for these products?

Yes, we offer flexible customization options including customization from samples, designs, and full customization services to meet specific requirements.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 Kg, making it easy to start with small quantities for testing or specific project needs.

How do you ensure product quality?

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

Durable Premium Spring Lock Washers for Secure Fastening Solutions

Name: Durable Premium Spring Lock Washers for Secure Fastening Solutions
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192207135

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 Lock Washers

Material

Brass

Model NO.

DIN 6905

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Spring Lock 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 6905 Standard Compliance: Manufactured strictly according to DIN 6905 standard for reliable screw connections.

Flexible Customization Options: Supports customization from samples, designs, or full customization for specific needs.

Multi-Material Selection: Available in carbon steel and stainless steel with various finishes like zinc plating.

Rigorous Quality Assurance: Two-stage QA including pre-production sampling and full batch torque/salt spray testing.

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

ISO Certified Manufacturer: Established in 2009, ISO-certified with comprehensive R&D and vertically integrated production.

Global Market Experience: Serving North America, Europe, Australia, Asia, and other global markets with long-term relationships.

Low Minimum Order Quantity: Minimum Order Quantity starts at just 1 Kg, suitable for small batch testing or 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 materials are available for these washers?

We offer carbon steel and stainless steel materials with finishes including Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.

Q:What is the standard for these spring lock washers?

The washers comply with the DIN 6905 standard, ensuring high quality and reliability for screw and washer assemblies.

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

Yes, we provide 1-3 pieces of free standard specification samples. The sample cost is refundable upon confirmation of a bulk order.

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 USD, full advance payment is recommended. We also accept LC at sight, PayPal, and Western Union.

Q:What is the delivery time for orders?

Normal delivery time is 30-40 days. During peak season, it may take 1-3 months, while off-season lead time is approximately one month.