What is the typical delivery time?

Standard delivery takes 30-40 days, with custom samples ready within 15 working days.

What are your payment terms?

We accept 30% T/T deposit with 70% balance against Bill of Lading, or full advance for orders under $1,000.

Are you an ISO certified manufacturer?

Yes, we are an ISO-certified fastener manufacturer with rigorous quality assurance protocols.

Durable DIN 439 Hex Nuts - Precision Engineering Components

Name: Durable DIN 439 Hex Nuts - Precision Engineering Components
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2188897975

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

US$0.01-0.10

10,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel, Stainless Steel

Type

Nut

Model NO.

DIN 439 (-2)

Connection

Common Bolt

Head Style

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

8.8/10.9/12.9

Standards

GB, DIN, ISO, JIS

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001/SGS

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 439 Standard Compliance: Manufactured to DIN 439 (-2) standard for premium chamfered hexagon thin nuts.

Multiple Material Options: Available in Carbon Steel and Stainless Steel grades 8.8, 10.9, and 12.9.

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

Flexible Customization Services: Offers full customization from samples and designs with flexible size adjustments.

ISO Certified Manufacturer: ISO-certified facility with rigorous two-stage quality assurance protocols.

Free Sample Availability: Provides 1-3 pcs of standard specification samples free of charge.

Global Market Experience: Serves clients across North America, Europe, Asia, and other global regions.

Fast Delivery Capability: Standard delivery time is 30-40 days with express sample options available.

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: ≤6.27h

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.