How long is the delivery time?

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

Is customization available?

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

What quality certifications do you have?

We are an ISO-certified manufacturer with a rigorous two-stage quality assurance protocol including torque testing and salt spray analysis.

Heavy-Duty U Bolts for Durable Construction and Support

Name: Heavy-Duty U Bolts for Durable Construction and Support
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192539795

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: Available in sizes M4-M36 and lengths 10mm-600mm to meet specific project requirements.

Flexible Customization: Supports customization from samples, designs, or full customization including standards and finishes.

High-Grade Materials: Manufactured from stainless steel, low/medium carbon steel, or alloy steel with grades 4.8 to 10.9.

Durable Finishes: Options include zinc plating, hot dip galvanized, and black finish for corrosion resistance.

ISO Certified Quality: ISO-certified manufacturer with rigorous two-stage quality assurance and material certification.

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

Low MOQ: Minimum Order Quantity is only 1 Kg, ideal for testing and small-scale projects.

Global Delivery: Standard delivery time is 30-40 days, with flexible shipping terms like FOB and CIF.

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: ≤4.47h

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.