How long is the delivery time?

Normal delivery time is 30-40 days. Custom samples can be prepared within 15 working days.

Are free samples available?

Yes, 1-3 free standard specification samples are available. Sample costs are refundable upon bulk order confirmation.

What quality assurance measures are in place?

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

Premium DIN 6921 Hex Flange Bolts for Heavy-Duty Engineering

Name: Premium DIN 6921 Hex Flange Bolts for Heavy-Duty Engineering
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2194769765

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

Customizable Standards: Supports DIN, ANSI, GB, JIS, BSW, GOST standards and customer-specific requirements.

Flexible Finishing Options: Available finishes include Passivation, Zinc Plating, Black, Plain, Yellow, and Dacromet.

High Strength Grades: Offers 8.8, 10.9, and 12.9 grades for heavy-duty engineering applications.

ISO Certified Quality: Manufactured under ISO certification with rigorous two-stage quality assurance protocols.

Free Sample Availability: Provides 1-3 free standard samples with express shipping via DHL/UPS/FedEx.

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

Global Delivery Capability: Serves global markets including North America, Europe, Australia, and Asia.

Fast Production Lead Time: Standard delivery time is 30-40 days, with custom samples in 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: ≤6.16h

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.