What standards do your products comply with?

Our products comply with DIN, ANSI, GB, JIS, BSW, and GOST standards.

What is the minimum order quantity?

The minimum order quantity is 1 Kg.

Premium Quality DIN 3570 U Bolt for Enhanced Stability and Durability

Name: Premium Quality DIN 3570 U Bolt for Enhanced Stability and Durability
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192508295

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

Type

U Bolts

Model NO.

DIN 3570

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

Name

U Bolt

OEM

OEM ODM

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

Comprehensive Customization: Flexible customization from samples or designs with full customization options available.

Wide Material Selection: Available in low carbon steel, medium carbon steel, and alloy steel.

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

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

Free Sample Availability: Free samples (1-3 pcs) available with express shipping options.

Fast Delivery Time: Standard delivery time is normally 30-40 days.

Diverse Standard Compliance: Meets DIN, ANSI, GB, JIS, BSW, and GOST standards.

Global Market Experience: Serving clients in North America, Europe, Australia, and Asia 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: ≤4.45h

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 a sample?

Free samples available (1-3 pcs standard specification). Express options: DHL/UPS/FedEx (customer's account). Prototyping service: Customized samples within 15 working days. Note: Sample cost refundable upon bulk order confirmation.

Q:What are the payment terms?

Standard commercial terms: 30% T/T deposit with 70% balance payable against Bill of Lading copy. For orders under $1,000 USD, we recommend full advance payment. Acceptable payment instruments: SWIFT transfer, LC at sight (negotiable for bulk orders).

Q:What is the delivery time?

Normally in 30-40 days.

Q:What materials are available for U Bolts?

Material options include low carbon steel, medium carbon steel, and alloy steel.

Q:Do you offer customization services?

Yes, we offer flexible customization, customization from samples, customization from designs, and full customization.