What standards do the U Bolts comply with?

Standards include DIN, ANSI, GB, JIS, BSW, and GOST. Specific custom standards like DIN3570 and Ifi-136 are also available.

What is the warranty period?

We provide a comprehensive 2-year warranty for all our mechanical equipment.

Heavy-Duty U Bolts for Reliable Performance in Multiple Uses

Name: Heavy-Duty U Bolts for Reliable Performance in Multiple Uses
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192509195

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, Steel

Type

U-Bolts

Connection

Common Bolt

Head Style

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8/6.8/8.8/10.9

Finish

Zinc, Plain

Standards

DIN3570, Ifi-136

Finished

Black/Zinc Plated/Hot DIP Galvanized

Length

10mm-600mm

Selling Units

Building, Industry, Machinery

Package

Cartons&Pallets or According to Customer's Require

Size

M4-M36

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

M4-M36

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Customizable Dimensions: Lengths from 10mm to 600mm and sizes M4-M36 available for specific needs.

Flexible Customization: Supports customization from samples, designs, and full customization options.

Free Sample Availability: 1-3 pcs free standard samples with express shipping via DHL/UPS/FedEx.

Rigorous Quality Control: Two-stage QA including pre-production sampling and full batch inspection.

ISO Certified Manufacturer: Established in 2009 with comprehensive R&D and vertically integrated facilities.

Wide Material Selection: Options include stainless steel, low/medium carbon steel, and alloy steel.

Multiple Finish Options: Available in black, zinc plated, and hot dip galvanized finishes.

Global Market Experience: Serving clients in North America, Europe, Australia, and Asia since 2009.

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 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 Bill of Lading copy. For orders under $1,000 USD, full advance payment is recommended. Other options include LC at sight, D/P, PayPal, and Western Union.

Q:What is the delivery time?

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

Q:Can I get free samples?

Yes, 1-3 pcs of standard specification samples are available for free. Sample costs are refundable upon bulk order confirmation.

Q:What materials are used for these U Bolts?

Materials include stainless steel, low carbon steel, medium carbon steel, and alloy steel.