Do you provide samples?

Yes, free samples (1-3 pcs) are available for standard specifications. Prototyping takes 15 working days.

What are the payment terms?

Standard terms are 30% T/T deposit and 70% balance against Bill of Lading. Other options include LC, D/P, PayPal, and Western Union.

Is OEM or ODM service available?

Yes, we provide flexible customization from samples or designs and offer OEM/ODM services.

High-Quality Conical Spring Washers for Secure Bolted Connections

Name: High-Quality Conical Spring Washers for Secure Bolted Connections
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2199927625

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 6796

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Name

Spring Washer

Sample

Availabe

Service

OEM ODM Custom Service

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

DIN 6796 Standard Compliance: Manufactured strictly according to DIN 6796 standards for vibration-resistant bolted connections.

Multiple Material Options: Available in Carbon steel and Stainless steel to suit various environmental conditions.

Extensive Surface Finishes: Options include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.

Flexible Customization: Custom sizes, designs, and samples available based on specific customer requirements.

ISO Certified Manufacturer: Established in 2009 with ISO certification and vertically integrated production facilities.

Rigorous Quality Assurance: Two-stage protocol including pre-production sampling and full batch inspection with torque testing.

Free Sample Availability: 1-3 pieces of standard specifications available for free with express shipping options.

Global Market Experience: Serving clients in North America, Europe, Australia, Asia, and the Middle East since 2009.

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.