What standards do your products comply with?

Our products comply with GB, DIN, ISO, and JIS standards, ensuring quality and compatibility for industrial use.

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

Are you an ISO certified manufacturer?

Yes, we are an ISO-certified fastener manufacturer established in 2009 with comprehensive R&D and quality assurance protocols.

Heavy-Duty GB Standard Spring Lock Washers with Tang Ends

Name: Heavy-Duty GB Standard Spring Lock Washers with Tang Ends
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192217335

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 127

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

Flexible Customization: Full customization available from samples or designs to meet specific requirements.

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

Multiple Standards Compliance: Meets GB, DIN, ISO, and JIS standards for global industrial applications.

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

ISO Certified Manufacturer: Established in 2009 with rigorous two-stage quality assurance and dimensional verification.

Global Market Reach: Serving clients across North America, Europe, Asia, and other major global regions.

Low MOQ Requirement: Minimum Order Quantity starts at just 1 Kg for flexible purchasing.

Fast Delivery Options: Customized samples ready within 15 working days; standard delivery 30-40 days.

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: ≤4.84h

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:Can you provide samples?

Free samples (1-3 pcs) are available. Express shipping via DHL/UPS/FedEx is supported. Customized samples take 15 working days, and 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. For orders under $1,000, full advance payment is recommended. SWIFT, LC, and other methods are accepted.

Q:What materials are used for the washers?

The washers are made from carbon steel and stainless steel, available with finishes such as zinc plating, hot dip galvanized, Dacromet, nickel plating, black oxide, or plain.

Q:Do you offer customization services?

Yes, we offer flexible customization including full customization from samples or designs, and ODM services are available.

Q:What is the delivery time?

Standard delivery is normally 30-40 days. Customized samples are ready within 15 working days. Peak season lead time is one month.