What quality assurance systems do you have?

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

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

Heavy-Duty Coarse Thread Bolts for Precision Engineering Applications

Name: Heavy-Duty Coarse Thread Bolts for Precision Engineering Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2195080305

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 7964 (E)

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

Comprehensive Material Options: Available in Carbon Steel and Stainless Steel to suit various environmental conditions.

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

Flexible Customization: Offers full customization from samples and designs, including specific standards and finishes.

Diverse Surface Finishes: Includes Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, and Black Oxide options.

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

ISO Certified Manufacturer: Established in 2009 with ISO certification and rigorous two-stage quality assurance protocols.

Fast Sample Availability: Free samples (1-3 pcs) available with express shipping and prototyping within 15 working days.

Global Market Experience: Serving clients in North America, Europe, Asia, and the Middle East for over 15 years.

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: ≤5.09h

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 samples?

Free samples (1-3 pcs standard specification) are available. Express shipping via DHL/UPS/FedEx is supported. Customized samples can be prototyped within 15 working days. Sample costs are 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. We accept SWIFT transfer, LC at sight, and other instruments like PayPal and Western Union.

Q:What is the delivery time?

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

Q:What materials are used for these bolts?

The bolts are manufactured using Carbon Steel and Stainless Steel, depending on customer requirements and application needs.

Q:Do you offer customization services?

Yes, we offer flexible customization including customization from samples, designs, and full customization. We can produce according to specific standards like GB, DIN, ISO, and JIS.