What materials are available for these bolts?

We provide bolts made from carbon steel and stainless steel, with grades 8.8, 10.9, and 12.9.

Do you offer customization services?

Yes, we offer flexible customization including full customization from samples or designs, and can produce according to specific customer requirements.

What is your quality assurance process?

We implement a two-stage protocol: pre-production sampling with dimensional verification and full batch inspection including torque testing and salt spray analysis.

Black Finished DIN 6921 Hexagon Flange Bolts for Machinery

Name: Black Finished DIN 6921 Hexagon Flange Bolts for Machinery
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2194798005

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 6921

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

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

High Tensile Strength: Reliable DIN 6921 hexagon flange bolts designed for secure fastening in machinery applications.

ISO Certified Manufacturer: Established in 2009, we are an ISO-certified fastener manufacturer with comprehensive R&D capabilities.

Flexible Customization: Offer full customization from samples or designs, including standards, finishes, and specific requirements.

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

Free Sample Availability: Free standard samples (1-3 pcs) available; sample cost refundable upon bulk order confirmation.

Wide Material Options: Available in carbon steel and stainless steel with grades 8.8, 10.9, and 12.9 for diverse needs.

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

Global Service Network: Serving global markets including North America, Europe, Asia, and the Middle East with expert support.

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: ≤6.69h

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.