How long is the delivery time for bulk orders?

Standard delivery time is 30-40 days. Peak season lead time is 1-3 months, and off-season is one month.

Are free samples available?

Yes, free samples (1-3 pcs) of standard specifications are available. Sample costs are refundable upon bulk order.

What quality assurance measures do you implement?

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

Premium Hexagon Flange Bolts for Robust Industrial Use and Assembly

Name: Premium Hexagon Flange Bolts for Robust Industrial Use and Assembly
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2187899975

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

Name

Hex Flange Bolts

Service

Customized OEM ODM Service

Quality

100% Professional Test

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

Multi-Standard Compliance: Meets DIN, ANSI, GB, JIS, BSW, and GOST standards for global compatibility.

High Strength Grades: Available in 8.8, 10.9, and 12.9 grades for robust industrial applications.

Custom OEM/ODM Service: Supports customized standards, finishes, and designs based on customer requirements.

Rigorous Quality Control: Two-stage QA including pre-production sampling and full batch torque/salt spray testing.

Versatile Surface Finish: Options include Passivation, Zinc Plating, Black Oxide, and Hot Dip Galvanized.

Low Minimum Order Quantity: Flexible MOQ starting from 1 Kg, suitable for small and large orders.

Fast Sample Delivery: Free standard samples available; custom prototypes delivered within 15 working days.

ISO Certified Manufacturer: Established in 2009 with ISO certification and vertically integrated production.

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.