What quality assurance systems do you have?

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

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

What standards do your products comply with?

Our products comply with DIN, ANSI, GB, JIS, GOST, and BSW standards, ensuring high quality and international compatibility.

Premium Stainless Steel Wing Nut Fasteners for Heavy Duty Applications

Name: Premium Stainless Steel Wing Nut Fasteners for Heavy Duty Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2197163525

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.01-0.10

10,000 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Wing Nut

Model NO.

DIN 315

Connection

Common Bolt

Head Style

Rounded Wing

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

8.8/10.9/12.9

Standards

DIN 315

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001/SGS

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Name

Rounded Wing Nut

OEM

OEM ODM

Quality

High Quality

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Comprehensive Material Options: Available in Carbon Steel and Stainless Steel to meet diverse corrosion resistance needs.

Wide Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, and BSW standards for global compatibility.

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

Flexible Customization Services: Offers OEM/ODM, customization from samples, and full customization from designs.

ISO Certified Manufacturing: Established in 2009 with ISO certification and rigorous two-stage quality assurance protocols.

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

Global Market Experience: Serves clients across North America, Europe, Australia, Asia, and the Middle East for over 15 years.

Diverse Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union to suit various transaction 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:Can you provide a sample?

Free samples are available (1-3 pcs standard specification). Express options include DHL/UPS/FedEx. Customized samples can be prototyped within 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 copy. For orders under $1,000 USD, full advance payment is recommended. We also accept SWIFT transfer, LC at sight, D/P, PayPal, and Western Union.

Q:What materials are used for these fasteners?

The fasteners are manufactured using Carbon Steel and Stainless Steel to ensure durability and reliability for structural support applications.

Q:Do you offer customization services?

Yes, we provide flexible customization including OEM/ODM services, customization from samples, customization from designs, and full customization options.

Q:What is the delivery time?

Normally, delivery takes 30-40 days. During peak seasons, lead time is one month, while off-season lead time is also one month.