What materials are used for this product?

The magnet is made of Ferrite (Ceramic) and the shell is made of Steel (Q235/A3).

What shipping methods are available?

Magnet can be shipped by Air, Express, Truck, and Sea. Air and Express shipments must be shielded.

4'' Magnet Welding Ground Magnetic Grounding Device Clamp

Name: 4'' Magnet Welding Ground Magnetic Grounding Device Clamp
Brand: Ningbo Multimagnets Technology Co., Ltd.
SKU: 2002566802

Zhejiang, ChinaNingbo Multimagnets Technology Co., Ltd.

US$2.00

10-999 Pieces

US$1.50

1,000-4,999 Pieces

US$1.00

5,000+ Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Application

Electronic Products, Industrial Magnet, Welding Magnet

Shape

Round

Model NO.

WM4"

Coating

Nickel

Grade

C5/C8/Y30bh

Material

Neodymium /NdFeB Magnet & Shell

Hole

Dia 20mm

Shell Coating

Nickel or Zinc

Process

Lathing or Punching

Strength

45kg/100lbs

Max Temperature

200 ℃

Transport Package

Bulk Package

Specification

D80x10mm

Trademark

Multimagnets

Origin

Ningbo, China

HS Code

8505111000

Production Capacity

5000/Month

Key features

High Pulling Force: Provides 55 Kg / 122lbs pulling force for secure grounding.

Durable Coating Options: Available with Nickel, Black Epoxy, Zinc, or Chrome coatings.

Outdoor Application: Designed for outdoor use; flash rust does not affect function.

Customization Available: Supports full customization, minor customization, and design assistance.

Fast Sample Delivery: Samples available within 2 days in stock, 7 days for custom orders.

High Quality Assurance: 99.5% pass rate with 100% new standard materials and multi-stage QC.

Versatile Welding Use: Ideal for MIG, TIG, and Stick welding applications.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Ningbo Multimagnets Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Ningbo Port; Shanghai PortAverage Response Time: ≤8.66h

AI-Powered supplier vetting

SummaryNingbo Multimagnets Technology Co., Ltd. is a China-based limited trading company established in 2019, with four employees and a product focus on magnets and magnetic materials. It provides OEM and broad customization services and reports that 90% of total sales come from exports, serving South America, Europe, and North America. Its service processes include documented procedures for complaint handling and corrective actions, while its stated after-sales policy promises replies within 12 hours and refunds or alternative solutions for quality issues. However, the supplier reported no new products launched in the past year and no available SDK. Production and quality-control resources appear limited, with fewer than five quality-control staff and only two years of total staff experience reported. An audit by TÜV Rheinland is documented, but the audit result is recorded as 0 and the stated report validity period has expired. Financial credibility and customer-case evidence remain insufficient for a...

Supplier typeThe supplier is identified as a limited company and trading company based in Ningbo, Zhejiang, China, established in 2019. Its scope covers magnetic materials and products, related components, tools, toys, hardware, and equipment, and it is not indicated as part of a larger group.

After-Sales capabilityThe supplier states that customer issues are answered within 12 hours and that quality problems may receive refunds or alternative solutions. It also reports written and followed procedures for complaint handling, corrective and preventive actions, and service-capability assessment, although the approved-supplier list lacks approval signatures or dates.

R&D capabilityThe supplier states that it has research and development capability within its business scope, but it has no available SDK and launched no new products in the past year. These explicit limitations prevent a positive assessment of current innovation capability.

Customization capabilityCustomization is explicitly described as an advantage, with services covering sample-based customization, design-based customization, full and minor customization, and flexible customization. The supplier also states that products can be designed with technical support and a focus on lower cost, providing direct evidence of broad customization capability.

Product Q&A

Q:What is the pulling force of this clamp?

The pulling force is 55 Kg / 122lbs.

Q:Can this magnet be used outdoors?

Yes, it can be used outdoors. Flash rust may develop on the steel pots but does not affect the function.

Q:What are the customization options?

We offer full customization, minor customization, customization from samples or designs, and flexible customization including CAD drawings and strength simulation.

Q:What is the lead time for samples?

Samples are available within 2 days if in stock. For custom orders, it takes 7 days.

Q:What is the MOQ for regular magnets?

We usually do not require a special MOQ for regular magnets or pot magnets; small orders are accepted.