Do you provide OEM/ODM services?

Yes, we offer customized OEM/ODM services, including customization from samples or designs.

What grades of bolts are available?

We provide grades 8.8, 10.9, and 12.9 for heavy-duty applications.

Heavy Duty Hexagon Head Bolts DIN 931 for Industrial Applications

Name: Heavy Duty Hexagon Head Bolts DIN 931 for Industrial Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2187946395

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

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 Head Bolt

Service

Customized OEM ODM Service

Sample

Avaliable

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

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

ISO Certified Manufacturer: Established in 2009, ensuring rigorous quality control and compliance with ASTM/ISO standards.

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

Wide Material & Finish Options: Carbon steel and stainless steel with finishes like zinc plating, black oxide, and hot dip galvanized.

Multi-Grade Strength Options: Available in Grade 8.8, 10.9, and 12.9 for heavy-duty machinery applications.

Low Minimum Order Quantity: Flexible MOQ starting from just 1 Kg to accommodate diverse client needs.

Global Shipping Capability: Located in Ningbo/Shanghai with 15 years export experience serving global markets.

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

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: ≤5.80h

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 the minimum order quantity?

The minimum order quantity is 1 Kg.

Q:What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against B/L copy. For orders under $1,000, full advance payment is recommended. LC at sight is also acceptable for bulk orders.

Q:Can I get free samples?

Yes, 1-3 pieces of standard specification samples are available for free. The sample cost is refundable upon bulk order confirmation.

Q:What is the delivery time?

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

Q:What materials and finishes are available?

Materials include carbon steel and stainless steel. Finishes available are zinc plating, hot dip galvanized, dacromet, nickel plated, black oxide, and plain.