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.

Is the manufacturer ISO certified?

Yes, we are an ISO-certified fastener manufacturer established in 2009, with comprehensive R&D capabilities and vertically integrated production facilities.

What quality assurance measures are in place?

We implement a rigorous 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 Quality DIN 9250 Lock Washers for Secure Assemblies

Name: Premium Quality DIN 9250 Lock Washers for Secure Assemblies
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2191926155

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

Disc Spring

Material

Brass

Model NO.

DIN 9

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Disc Spring

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 international requirements.

Flexible Customization: Offers customization from samples, designs, or full customization based on client needs.

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

ISO Certified Quality: Manufactured by an ISO-certified facility with rigorous two-stage quality assurance.

Fast Sample Delivery: Provides free standard samples and customized prototypes within 15 working days.

Low Minimum Order: Accepts minimum orders starting from just 1 Kg for flexible purchasing.

Global Shipping Support: Ships from Ningbo/Shanghai ports with FOB, CIF, CFR, and EXW terms available.

Comprehensive Finishes: Includes Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide.

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?

The washers are available in carbon steel and stainless steel, with finishes including Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.

Q:Can I customize the standards and specifications?

Yes, we support customization from samples, designs, or full customization. Standards include GB, DIN, ISO, and JIS, and sizes can be adjusted according to customer requirements.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 Kg, allowing for flexible purchasing options for small or large orders.

Q:How long does delivery take?

Standard delivery time is normally 30-40 days. During peak seasons, lead times may extend to one month or 1-3 months, while off-season lead times are approximately one month.

Q:Do you provide free samples?

Yes, free samples are available for standard specifications (1-3 pcs). Customized samples can be produced within 15 working days, and the sample cost is refundable upon bulk order confirmation.