What certifications does the product have?

The product is certified with CE, RoHS, and ISO9001, ensuring compliance with international quality and safety standards.

What quality assurance measures are in place?

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

High-Strength Hollow Bolt with Internal Thread for Industrial Applications

Name: High-Strength Hollow Bolt with Internal Thread for Industrial Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2201400065

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.10-1.00

10,000 Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Warranty

Model NO.

CNC PART

Condition

New

Certification

CE, RoHS, ISO9001

Standard

DIN, ASTM, GOST, GB, JIS, BS

Customized

Material

Alloy

Application

Metal Recycling Machine, Metal Cutting Machine, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001/SGS

Package

Customer'require

Delivery Time

15-30

Transport Package

Customization

Specification

customization

Trademark

customization

Origin

Zhejiang

HS Code

732690

Production Capacity

100000000

Key features

Customization Options: Flexible customization from samples or designs, including passivation and zinc plating.

Quality Assurance: Two-stage protocol with dimensional verification, torque testing, and salt spray analysis.

Certifications: CE, RoHS, ISO9001 certified, ensuring compliance with ASTM and international standards.

Free Sample Policy: Free samples (1-3 pcs) available; cost refundable upon bulk order confirmation.

Fast Delivery: Standard delivery time is 15-30 days; custom samples within 15 working days.

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

Material Quality: Made from high-performance alloy materials for durability in industrial applications.

Global Service: Serving global markets with expert engineering teams and lean manufacturing.

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: ≤4.97h

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 customization options are available?

We offer flexible customization from samples or designs. Finished products can be treated with passivation, zinc plating, black, plain, or yellow finishes.

Q:What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 Kg, making it easy to place small orders for testing or specific needs.

Q:How long is the delivery time?

Standard delivery time is 15-30 days. For custom samples, it takes within 15 working days. Peak season lead time is one month.

Q:What are the payment terms?

Standard terms are 30% T/T deposit and 70% balance against Bill of Lading copy. For orders under $1,000, full advance payment is recommended. We also accept LC, D/P, PayPal, and Western Union.

Q:Are free samples available?

Yes, free samples (1-3 pcs of standard specifications) are available. The sample cost is refundable upon confirmation of a bulk order.