How long is the delivery time?

Standard delivery takes 30-40 days. Custom samples can be prepared within 15 working days.

What quality certifications do you have?

We are an ISO-certified manufacturer with a rigorous two-stage quality assurance protocol ensuring compliance with ASTM/ISO standards.

What is the warranty or quality guarantee?

We conduct full batch inspections including torque testing and salt spray analysis to ensure 100% professional quality before shipment.

High-Quality DIN 931 Hex Bolts for Industrial Applications

Name: High-Quality DIN 931 Hex Bolts for Industrial Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2187873855

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

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

Name

Hexagon Head Bolt

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Quality

100% Professional Test

Service

Customized OEM ODM Service

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

Custom OEM/ODM Service: Flexible customization from samples or designs with professional engineering support.

ISO Certified Quality: Rigorous two-stage QA including dimensional verification and salt spray analysis.

Wide Material Options: Available in Carbon Steel and Stainless Steel with various grades like 8.8/10.9/12.9.

Multiple Finish Choices: Options include Zinc Plating, Hot Dip Galvanized, Dacromet, and Black Oxide.

Free Sample Availability: 1-3 pcs free standard samples available; cost refundable upon bulk order.

Low MOQ Requirement: Minimum Order Quantity is only 1 Kg, suitable for small batch testing.

Global Shipping Support: Export from Ningbo/Shanghai ports with flexible terms like FOB, CIF, and EXW.

Fast Delivery Time: Standard delivery within 30-40 days; custom samples within 15 working days.

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: ≤4.95h

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.