What quality assurance systems do you have?

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

What standards do your products comply with?

Our products comply with DIN, ANSI, GB, JIS, GOST, and BSW standards.

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

Premium High-Strength Hex Nuts M8 to M52 for Secure Connections

Name: Premium High-Strength Hex Nuts M8 to M52 for Secure Connections
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2189322735

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 936

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

Wide Standard Coverage: Complies with DIN, ANSI, GB, JIS, GOST, and BSW standards.

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

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

Flexible Customization: Full customization available from samples or designs with flexible options.

ISO Certified Quality: Manufacturer holds ISO9001 and SGS certifications with rigorous quality protocols.

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

Fast Sample Production: Customized samples can be produced within 15 working days.

Global Shipping Network: Serves North America, Europe, Asia, and other global markets via Ningbo and Shanghai ports.

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 samples?

Free samples (1-3 pcs standard specification) are available. Customized samples take 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. For orders under $1,000, full advance payment is recommended. SWIFT, LC, and other methods are accepted.

Q:What materials are used for the nuts?

The nuts are made from Carbon Steel and Stainless Steel, available in grades 8.8, 10.9, and 12.9.

Q:Do you offer customization services?

Yes, we offer flexible customization from samples or designs, including full customization options.

Q:What is the delivery time?

Normally 30-40 days. Peak season lead time is one month, while off-season is also one month.