What are the delivery times?

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

Do you offer customization services?

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

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

High-Strength DIN 931 Hex Bolts for Industrial Applications

Name: High-Strength DIN 931 Hex Bolts for Industrial Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2187945675

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

Model NO.

DIN 931

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

Name

Hex Bolt

Service

Customized OEM ODM Service

Sample

Avaliable

Quality

100% Professional Test

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

Customization Options: Flexible customization available from samples and designs.

ISO Certification: ISO-certified manufacturer with rigorous quality assurance.

Material Variety: Carbon steel and stainless steel options available.

Sample Availability: Free standard samples available; custom samples in 15 days.

Global Market Reach: Serving clients in North America, Europe, Asia, and beyond.

Quality Testing: Includes torque testing, salt spray analysis, and material certification.

Payment Flexibility: Accepts T/T, LC, D/P, PayPal, and Western Union.

Delivery Time: Standard delivery within 30-40 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: ≤4.49h

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?

Established in 2009, we are an ISO-certified fastener manufacturer and solar mounting system solutions provider headquartered in Ningbo, China.

Q:How do you ensure product quality?

We implement a rigorous two-stage quality assurance protocol including pre-production sampling and full batch inspection with torque testing and salt spray analysis.

Q:What products do you manufacture?

Our expertise covers industrial fastening solutions like hex bolts and nuts, as well as solar energy installation systems including racking and mounting accessories.

Q:Can I get a sample before placing an order?

Yes, free samples (1-3 pcs) are available. Customized samples take 15 working days, and sample costs are refundable upon bulk order confirmation.

Q:What are your 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.