What materials are available for these hex nuts?

We offer a wide range of materials including Carbon Steel, Stainless Steel, Brass, Aluminum, and Titanium & Alloys.

What surface finishes do you offer?

Available finishes include Zinc Plated, Hot Dip Galvanized Steel, Dacromet, Nickel Plated, Black Oxide, and Plain.

What is the typical delivery time?

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

Heavy-Duty Hex Nuts for Reliable Construction and Manufacturing Needs

Name: Heavy-Duty Hex Nuts for Reliable Construction and Manufacturing Needs
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2246849245

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,Brass

Type

Hex Structural Nuts

Model NO.

GB T 18230.7 - 2000

Connection

Head Style

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

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

Comprehensive Material Options: Available in Carbon Steel, Stainless Steel, Brass, Aluminum, and Titanium Alloys.

Flexible Customization: Full customization from samples or designs with flexible options for non-standard parts.

Diverse Surface Finishes: Offers Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain finishes.

ISO Certified Manufacturer: Established in 2009, ISO-certified with vertically integrated production and R&D capabilities.

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

Global Market Reach: Serving North America, Europe, Oceania, Asia, South America, Africa, and the Middle East.

Free Sample Availability: Free standard samples (1-3 pcs) available with express shipping options via DHL/UPS/FedEx.

Wide Product Portfolio: Covers industrial fasteners, solar mounting systems, and precision CNC-machined components.

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 is your corporate background and manufacturing capability?

Established in 2009, we are an ISO-certified fastener manufacturer and solar mounting system solutions provider headquartered in Ningbo, China. We have comprehensive R&D capabilities and vertically integrated production facilities.

Q:How do you ensure product quality?

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 prior to container loading.

Q:What core products do you manufacture?

Our expertise covers industrial fastening solutions (hex bolts, machine screws, locking nuts, etc.) and solar energy installation systems (ground-mounted & rooftop solar racking systems, PV module mounting accessories).

Q:Can you provide samples?

Yes, free samples (1-3 pcs standard specification) are available via express options like DHL/UPS/FedEx. Customized samples can be prototyped within 15 working days. Sample cost is refundable upon bulk order confirmation.

Q:What are your payment terms and trade services?

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 accept SWIFT transfer, LC at sight, and other instruments.