What is the lead time for production?

Normal delivery time is 30-40 days. Peak season lead time is one month, while off-season is also one month.

Do you support custom orders?

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

What quality assurance measures do you take?

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

Premium Hexagon Socket Head Cap Screws for Heavy-Duty Applications

Name: Premium Hexagon Socket Head Cap Screws for Heavy-Duty Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2195079285

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

Carbon Steel, Stainless Steel

Type

Countersunk Head

Model NO.

DIN 6912

Groove

Manufacturing According to Standards or Requiremen

Connection

Common Bolt

Head Style

Countersunk Head

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8/10.9/12.9

Standards

GB, DIN, ISO, JIS

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001/SGS

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

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

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

Flexible Customization: Supports custom standards, finishes, and designs based on customer samples or drawings.

Diverse Surface Finishes: Options include Zinc Plating, Hot Dip Galvanized, Dacromet, Nickel Plating, and Black Oxide.

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

Free Sample Availability: 1-3 free standard samples available; cost refundable upon bulk order confirmation.

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

Fast Delivery Time: Standard delivery within 30-40 days; customized samples within 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: ≤4.94h

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 materials are available for these screws?

We offer Carbon Steel and Stainless Steel materials to meet various corrosion resistance and strength requirements.

Q:What surface finishes can be provided?

We provide Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain finishes.

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

Q:Can you provide free samples?

Yes, we provide 1-3 free standard specification samples. The sample cost is refundable upon bulk order confirmation.