What materials are used for these bolts?

The bolts are made from carbon steel and stainless steel.

What certifications do you have?

We are an ISO-certified manufacturer and adhere to ASTM/ISO standards for quality assurance.

Heavy-Duty DIN 931-1 Hexagon Head Bolts for Industrial Use

Name: Heavy-Duty DIN 931-1 Hexagon Head Bolts for Industrial Use
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2187948495

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

US$0.01-0.10

10,000 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

Bolt

Hexagon Head Bolts

Name

Hex Bolt

Quality

100% Professional Test

Service

Customized OEM ODM Service

Sample

Avaliable

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 from samples or designs, including standards and finishes.

Quality Assurance: Rigorous two-stage protocol: pre-production sampling and full batch inspection including torque and salt spray tests.

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

ISO Certified: Established in 2009, ISO-certified manufacturer with vertically integrated production.

Wide Application: Suitable for machinery, chemical industry, environmental, and building sectors.

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

Global Service: Serving global markets with expert engineering teams and after-sales support.

Flexible Payment: Accepts T/T, LC, D/P, PayPal, and Western Union for various order sizes.

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: ≤6.44h

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 Bill of Lading copy. For orders under $1,000 USD, full advance payment is recommended. We also accept LC, D/P, PayPal, and Western Union.

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:Can you provide custom services?

Yes, we offer flexible customization from samples or designs, including custom standards and finishes. ODM service is available.

Q:Are samples available?

Yes, free samples (1-3 pcs standard specification) are available. Express shipping is at the customer's account. Sample cost is refundable upon bulk order confirmation.