What quality assurance protocols do you follow?

We use 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, BSW, and GOST standards.

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

High Quality DIN 931 Partially Threaded Hex Hexagon Head Bolt for Reliable Use

Name: High Quality DIN 931 Partially Threaded Hex Hexagon Head Bolt for Reliable Use
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2187912195

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

US$0.01-0.10

10,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

DIN 931

Connection

Common Bolt

Head Style

Hexagonal

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

DIN 931

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Name

Hex Bolts

Service

Customized OEM ODM Service

Quality

100% Professional Test

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

hex Bolt

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 environmental needs.

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

Rigorous Quality Assurance: Implements two-stage protocol including torque testing and salt spray analysis.

Wide Range of Finishes: Options include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide.

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

ISO Certified Manufacturer: Established in 2009 with ISO certification and vertically integrated production.

Free Sample Availability: Provides 1-3 pcs standard free samples with express shipping options.

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

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: ≤4.50h

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) are available. Express shipping via DHL/UPS/FedEx is supported. 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 is the delivery time?

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

Q:What materials are used for the bolts?

The bolts are available in Carbon Steel and Stainless Steel, depending on customer requirements.

Q:Do you offer customization services?

Yes, we offer flexible customization including OEM/ODM, customization from samples, and full customization from designs.