Do you offer customization?

Yes, we offer flexible customization, customization from samples, customization from designs, and full customization.

Where is your company located?

Ningbo Yinzhou Sokun Import & Export Co., Ltd. is located in Ningbo, a major port city with excellent transportation infrastructure.

Industrial-Grade Heavy-Duty Hex Head Bolts for Tough Projects

Name: Industrial-Grade Heavy-Duty Hex Head Bolts for Tough Projects
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2238306035

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

US$0.10

1,000-4,999 Pieces

US$0.09

5,000-9,999 Pieces

US$0.08

10,000-49,999 Pieces

US$0.06

50,000+ Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Socket Cap Head

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8/10.9/12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Standards

DIN912

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Service

Customized OEM ODM

Sample

Avalible

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Allen Bolt

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Customized OEM ODM Service: Flexible customization from samples and designs with full customization options available.

Diverse Material Options: Available in carbon steel and stainless steel to meet various industrial requirements.

Multiple Surface Finishes: Options include zinc plated, hot dip galvanized, dacromet, nickel plated, black oxide, and plain.

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

Free Sample Availability: Free standard samples (1-3 pcs) available with express shipping options and refundable cost.

Comprehensive Product Portfolio: Covers industrial fasteners and solar energy installation systems with precision engineering.

Global Market Experience: Serving clients across North America, Europe, Asia, and other regions for over 15 years.

Flexible Delivery Terms: Standard delivery in 30-40 days with custom packaging according to customer requirements.

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: ≤4.47h

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 available (1-3 pcs standard specification). Express options: DHL/UPS/FedEx (customer's account). Prototyping service: Customized samples within 15 working days. Note: Sample cost refundable upon bulk order confirmation.

Q:What are the payment terms?

Standard commercial terms: 30% T/T deposit with 70% balance payable against Bill of Lading copy. For orders under $1,000 USD, we recommend full advance payment. Acceptable payment instruments: SWIFT transfer, LC at sight (negotiable for bulk orders).

Q:What is your quality assurance system?

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. This dual-check system ensures consistent compliance with ASTM/ISO standards.

Q:What is your delivery time?

Normally in 30-40 days.

Q:What materials do you use?

Carbon steel and stainless steel.