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, salt spray analysis, and material certification.

Where is your company located?

We are located in Ningbo, China, a major port city with excellent transportation infrastructure, serving global markets including North America, Europe, and Asia.

High-Strength Marine DIN 6921 Hex Flange Bolts for Durability

Name: High-Strength Marine DIN 6921 Hex Flange Bolts for Durability
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2194807185

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

Marine Grade Corrosion Resistance: Available in stainless steel and carbon steel with zinc plating, hot dip galvanized, and Dacromet finishes.

Comprehensive Standard Compliance: Meets DIN 6921, ANSI, GB, JIS, BSW, and GOST standards with grades 8.8, 10.9, and 12.9.

Flexible Customization Options: Full customization available from samples or designs, including size and finish adjustments.

Rigorous Quality Assurance: Two-stage protocol including pre-production sampling, torque testing, and salt spray analysis.

ISO 9001 Certified Manufacturer: Established in 2009 with vertically integrated production and scientific management strategies.

Fast Sample Delivery: Free standard samples available with custom prototyping completed within 15 working days.

Global Shipping Capability: Serves North America, Europe, Asia, and other regions via Shanghai and Ningbo ports.

Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union with options for bulk order negotiations.

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: ≤4.93h

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:Can you provide a sample?

Free samples (1-3 pcs standard specification) are available. Express options include DHL/UPS/FedEx. Customized samples take 15 working days. Sample cost is refundable upon bulk order confirmation.

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. SWIFT transfer and LC at sight are also accepted.

Q:What materials are used for these bolts?

The bolts are available in carbon steel and stainless steel. Finishes include Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain.

Q:What is the delivery time?

Normal delivery time is 30-40 days. Customized samples can be completed within 15 working days.

Q:Do you offer customization services?

Yes, we offer flexible customization from samples or designs, including full customization options for standards and finishes.