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Pot Magnet Manufacturer Custom & Wholesale Supply GME

GME is a professional pot magnet manufacturer providing reliable custom and wholesale magnetic solutions for industrial holding, mounting, and fixing applications worldwide.

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What are Pot Magnets?

Pot magnets are magnetic assemblies consisting of a permanent magnet embedded within a steel housing. The steel shell helps concentrate the magnetic force onto a single gripping surface, thereby enhancing the magnetic strength and making them more suitable for industrial mounting and holding applications than standard, exposed magnets. Compared to conventional disc or block magnets, pot magnets are easier to install, offer greater stability, and provide better resistance to impact damage. They are particularly well-suited for applications requiring attachment via screws, bolts, hooks, threaded studs, or other mechanical components.
Pot magnets are also known as cup magnets.

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Features Of Pot Magnets

Key Features of Pot Magnets

Pot magnets combine a strong holding force with convenient mechanical installation

 

Strong Holding Force

Pot magnets deliver concentrated magnetic force due to their steel cup design. Depending on size and material, pull force can range from a few kilograms to over 200 kg in industrial-grade models.

 

Steel Housing Protection

The steel housing protects the internal magnet from chipping, breakage, and external impact, significantly extending its service life in industrial environments.

 

Versatile Mounting Options

Various mounting configurations, such as countersunk holes, internal threads, hooks, and studs, allow for flexible integration into a wide range of systems.

 

Customizable Dimensions and Holding Force

We can customise specifications, including diameter, thickness, coating, and holding force, to meet specific application requirements.

 

Pot Magnets By Mounting Type

Countersunk Pot Magnets

Countersunk Pot Magnets

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Threaded Pot Magnets

Threaded Pot Magnets

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Magnetic Hooks

Magnetic Hooks

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Deep Pot Magnets

Deep Pot Magnets

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Pot magnet of various specifications

 

Pot magnet (NdFeB) with counterbore, Nickel coating, body lathe-machined

Specifications of Pot Magnet

Model D (mm) D1 (mm) D2 (mm) H (mm)  Weight (g) Breakaway (kg)
LNA10 10 3.5 6.5 4.5 3 1
LNA12 12 3.5 6.5 4.5 4 1.5
LNA14 14 3.5 6.5 4.5 5 4
LNA16 16 3.5 6.5 5 7 6
LNA18 18 4.5 8.6 6 10 8
LNA20 20 4.5 8.6 7 15 9
LNA22 22 4.5 8.6 7 18 15
LNA25 25 5.5 10.6 8 24 19
LNA28 28 5.5 10.6 8 28 25
LNA30 30 5.5 10.6 8 32 29
LNA32 32 5.5 10.6 8 39 32
LNA34 34 5.5 10.6 8 45 35
LNA36 36 6.5 12 8 50 41
LNA38 38 6.5 12 8 60 47
LNA40 40 6.5 12 8 69 52
LNA42 42 6.5 12 9 77 61
LNA45 45 6.5 12 9 90 70
LNA48 48 8.5 19 11 120 75
LNA50 50 8.5 19 11 136 89
LNA55 55 8.5 19 12 192 102
LNA60 60 8.5 19 15 243 115
LNA65 65 8.5 19 15 338 130
LNA70 70 10.5 21 17 440 148
LNA75 75 10.5 21 18 480 163
LNA80 80 10.5 21 18 655 250
LNA90 90 10.5 21 18 822 340
LNA100 100 12.5 25 18 1030 380
LNA110 110 12.5 25 18 1226 420
LNA120 120 12.5 25 18 1420 480

 

Pot magnet (NdFeB), with external thread, Nickel coating, and body stamping machining


Specifications of Pot Magnet

Model D (mm) M H (mm) h (mm)  Weight (g)  Breakaway (kg)
SNC10 10 M3 12 5 4 1.5
SNC12 12 M3 12 5 5 2
SNC16 16 M4 14 5.2 9 8
SNC20 20 M4 16 7.2 16 12
SNC25 25 M5 17 7.7 26 22
SNC32 32 M6 18 7.8 43 34
SNC36 36 M6 17.6 7.6 54 41
SNC40 40 M6 17.7 7.8 75 51
SNC42 42 M6 18.7 8.8 83 66
SNC48 48 M8 24 10.8 130 78
SNC60 60 M8 31.5 15 282 130
SNC75 75 M10 35 17.8 564 195
SNC10L 10 M3 11 4 3 1
SNC12L 12 M3 11 4 4 2
SNC16L 16 M4 13.5 4.5 8 6
SNC20L 20 M4 14.8 6 15 11
SNC25L 25 M5 16.2 6.9 27 20
SNC32L 32 M6 17.1 6.8 43 32
SNC36L 36 M6 16.7 6.9 55 39
SNC42L 42 M6 17.7 7.9 83 63
SNC48L 48 M8 22.8 9.6 126 75
SNC60L 60 M8 30 13.5 270 115
SNC75L 75 M10 33.2 16 550 180
SNC10P 10 M3 12 5 4 2.0
SNC12P 12 M3 12 5 5 3
SNC16P 16 M4 14 5.2 9 10
SNC20P 20 M4 16 7.2 16 15
SNC25P 25 M5 17 7.7 26 28
SNC32P 32 M6 18 7.8 43 43
SNC36P 36 M6 17.6 7.6 54 51
SNC40P 40 M6 17.7 7.8 75 64
SNC42P 42 M6 18.7 8.8 83 83
SNC48P 48 M8 24 10.8 130 98
SNC60P 60 M8 31.5 15 256 169
SNC75P 75 M10 35 17.8 510 244

 

Hook magnet, with hook, Nickel coating, body stamping, and machining

Specifications of Hook Magnets

Model D (mm) D1 (mm) M h (mm) H (mm) H1 (mm)  Weight (g) Breakaway (kg)
SNE10 10 6 M3 5 12.6 31.5 5 1.5
SNE12 12 6 M3 5 12.6 31.5 7 2
SNE16 16 6.5 M4 5.2 13.5 35.7 12 8
SNE20 20 6.5 M4 7.2 15 37.8 21 12
SNE25 25 7.5 M5 7.7 17 44.9 33 22
SNE32 32 10 M6 7.8 18 47.8 54 34
SNE36 36 10 M6 7.8 18.5 49.8 64 41
SNE40 40 10 M6 8.8 18.8 50.1 87 51
SNE42 42 10 M6 8.8 18.8 50 93 66
SNE48 48 12 M8 10.8 24 61 150 78
SNE60 60 12 M8 15 28 66 305 130
SNE75 75 17 M10 17.8 35 84 627 195
SNE10L 10 6 M3 4 11.6 30.5 5 1.2
SNE12L 12 6 M3 4 11.6 30.5 6 1.8
SNE16L 16 6.5 M4 4.5 12.8 34 10 6
SNE20L 20 6.5 M4 6 13.8 36.3 18 11
SNE25L 25 7.5 M5 6.9 16.2 43.7 32 20
SNE32L 32 10 M6 6.9 17.8 48.3 54 32
SNE36L 36 10 M6 6.9 17.8 49.1 67 39
SNE42L 42 10 M6 7.9 18.8 50.1 95 63
SNE48L 48 12 M8 9.6 22.8 59.8 148 75
SNE60L 60 12 M8 13.5 26.5 64.5 295 115
SNE75L 75 17 M10 16 33.2 82.2 615 180
SNE10P 10 6 M3 5 12.6 31.5 5 2
SNE12P 12 6 M3 5 12.6 31.5 7 2.5
SNE16P 16 6.5 M4 5.2 13.5 35.7 12 10
SNE20P 20 6.5 M4 7.2 15 37.8 21 15
SNE25P 25 7.5 M5 7.7 17 44.9 33 28
SNE32P 32 10 M6 7.8 18 47.8 54 43
SNE36P 36 10 M6 7.6 18.5 49.8 64 51
SNE40P 40 10 M6 7.8 18.8 50.1 87 64
SNE42P 42 10 M6 8.8 18.8 50 93 83
SNE48P 48 12 M8 10.8 24 61 150 98
SNE60P 60 12 M8 15 28 66 283 169
SNE75P 75 17 M10 17.8 35 84 555 244

 

Hook magnet  with hook, Nickel coating, body lathe-machined

Specifications for Magnets with Hooks

Model D (mm) D1 (mm) M h (mm) H (mm) H1 (mm) Weight (g) Breakaway (kg)
LNF8 8 4.5 M3 4.5 11 34 4 1
LNF10 10 6 M3 4.5 12 34 5 1.5
LNF12 12 6 M3 4.5 12 34 7 3
LNF14 14 6.5 M4 4.5 12 35 10 5
LNF16 16 6.5 M4 5 13 35.5 12 8
LNF18 18 6.5 M4 6 13 36.5 16 10
LNF20 20 6.5 M4 7 15 37.5 21 12
LNF22 22 6.5 M4 7 16 37.5 24 18
LNF25 25 7.5 M5 8 17 45 33 22
LNF28 28 7.5 M5 8 17 45 36 26
LNF30 30 7.5 M5 8 17 45 41 29
LNF32 32 10 M6 8 18 48 54 34
LNF34 34 10 M6 8 18 48 61 37
LNF36 36 10 M6 8 18 48 64 41
LNF38 38 10 M6 8 18 48 77 46
LNF40 40 10 M6 8 19 48 87 51
LNF42 42 10 M6 9 19 50 93 66
LNF45 45 12 M8 9 20 57 123 75
LNF48 48 12 M8 11 24 61 150 78
LNF50 50 12 M8 11 25 61 173 91
LNF55 55 12 M8 12 28 63 231 102
LNF60 60 12 M8 15 28 66 283 120
LNF65 65 12 M8 15 32 69 378 137
LNF70 70 17 M10 17 34 84 531 153
LNF75 75 17 M10 18 35 85 555 178
LNF80 80 17 M10 18 35 85 744 250
LNF90 90 17 M10 18 35 85 904 340
LNF100 100 22 M12 18 35 85 1168 380
LNF110 110 22 M12 18 35 85 1389 420
LNF120 120 23 M12 18 40 90 1520 480

Please contact us if you need further information.
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Common Applications of Pot Magnets

Pot magnets are useful when you need a strong, simple, and removable fixing method on steel surfaces. You can use them for machinery, fixtures, fabrication work, and daily industrial mounting needs.

Machinery and Equipment Mounting

You can use pot magnets to mount panels, covers, sensors, lights, and small accessories on machines without permanent welding or drilling.

Fixtures and Positioning

When you need quick positioning during assembly or production, pot magnets help hold metal parts, brackets, or temporary fixtures in place.

Metal Fabrication and Welding Support

You can use pot magnets to support alignment, temporary holding, and pre-welding positioning for steel plates, frames, and metal components.

Door, Cabinet, and Furniture Fixing

Pot magnets are also suitable for cabinet doors, machine covers, access panels, and furniture parts that require clean and removable magnetic holding.

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Applications Of Pot Magnets

 

POT Magnet Production Equipment

Automatic Assembly Equipment

Automatic Assembly Equipment

Automatic Punching Machine

Automatic Punching Machine

Pressing Machine

Pressing Machine

Pressing Machine

Pressing Machine

CNC Lathe

CNC Lathe

CNC Lathe

CNC Lathe

CNC Lathe

CNC Lathe

Automatic Assembling Machine

Automatic Assembling Machine

Automatic Assembling Machine 2

Automatic Assembling Machine

Automatic Blanking Machine 3

Automatic Assembling Machine

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Our Partners

GME's pot magnets are trusted by industrial partners worldwide across sectors such as automation, machinery, electric drive systems, and manufacturing. Our network includes renowned companies in industrial equipment, power systems, and automation applications, a testament to the consistent performance and reliability of our products. These long-standing partnerships demonstrate our capability to deliver dependable magnetic solutions for a wide range of demanding applications globally. 

CHINA WANXIANG
TENGLONG
Kangsheng Shares
LEXY
DEMAC
dyson
BAUMULLER
WEG

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POT Magnet Magnetic Circuit Design

Focus on R&D and manufacturing of magnetic products.
The core team has more than ten years of experience in the magnetic industry.
Has various certifications and patent certificates.
Provide customers with one-stop service for the design and production of magnetic products-Ucts. 
 

Magnetic Field 2D Cross-section Contour

POT Magnet 3D Assembly Model

Magnetic Flux Density Section Analysis

Internal Magnetic Field 3D Simulation

Complete Fixture Magnetic Simulation

Single POT Magnet Unit 3D View

 

 

How to Effectively Use Pot Magnets

Increased Holding Force for Pot Magnets
Iron blocks can be magnetised to enhance magnetic adsorption.
 
Pot Magnet Mounting Positions
The adsorption position is not at the centre of gravity, so it is easy to drop to one side.
 
Pot Magnet Magnetic Distance
The magnetic distance will be greatly reduced. Please try to reduce the distance.
 
Magnetic Materials for Pot Magnets
It can adsorb iron, nickel, and cobalt, as well as some of their alloys, but austenitic stainless steel cannot be adsorbed.
 
Pot Magnets Are Affected by High Temperatures
As the temperature rises, the magnetic force decreases, and at temperatures exceeding 80 °C, demagnetisation occurs.
 
A Convex Surface on a Pot Magnet Will Affect Its Holding Force
Convex or curved surfaces cannot be fully contacted and will affect the absorption force.
 

 

Pot Magnet

How to Choose the Right Pot Magnet

Choosing the right pot magnet depends on how and where you plan to use it. A stronger magnet is not always the best choice if the mounting type, surface, or material is not suitable.

Determine the Holding Direction

You should first check whether the magnet will be pulled straight away from the surface or used against the side, with a sliding force.

Check the Contact Surface

A flat, clean, and thick steel surface gives better holding force. Paint, rust, dust, oil, or gaps can reduce performance.

Select the Installation Type

Choose countersunk, threaded, hook, or rubber-coated pot magnets based on your fixing method.

Choose the Magnet Material

Use neodymium for high strength and ferrite for cost-effective general holding.

Consider Surface Protection

If the surface is painted or easy to scratch, rubber-coated pot magnets are a better choice.

 

Testing Pot Magnet Pull Strength

For can magnets, pull strength is one of the most critical performance parameters. Before each shipment, we test the pull strength of the batch to ensure it meets the specified requirements. Shipment will only be arranged after the test results are confirmed. This process provides customers with a more transparent and reliable way to verify magnet performance.

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 Our Certificates

SGS

SGS

Certificate Of Registration

Certificate Of Registration

ROHS Test Report

ROHS Test Report

 

 

Packaging of Pot Magnets

Packaging of Pot Magnets

Our pot magnet packaging is designed to protect the magnets during storage and long-distance shipping. For inner packing, we use plastic or wooden spacers to separate strong magnets and prevent sudden impact, while kraft paper and PE/OPP bags help protect the surface coating from friction, dust, and contamination. Foam boxes can also be used to provide extra cushioning and reduce the risk of collision or edge chipping inside the carton. For outer packing, we use export-grade double-layer corrugated cartons to improve stacking strength and handling safety. Waterproof bag wrapping helps protect the goods from moisture during transit and storage. For heavy or large-volume orders, strong strapping, pallets, or wooden boxes can be arranged to keep cartons stable and make forklift handling easier.

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FAQ

Q: What is a pot magnet?

A: A pot magnet is a permanent magnet placed inside a steel cup or steel shell. The steel housing helps concentrate magnetic force on one holding surface and protects the magnet from damage. Pot magnets are also called cup magnets or holding magnets.

Q: What are pot magnets used for?

A: Pot magnets are used for holding, mounting, fixing, positioning, and hanging on steel surfaces. You can use them for machinery, fixtures, signage, tool holding, metal fabrication, cabinets, doors, and removable magnetic mounting.

Q: How strong are pot magnets?

A: The strength depends on the magnet material, size, structure, and contact surface. Neodymium pot magnets usually provide a stronger holding force than ferrite pot magnets. Clean, flat, and thick steel surfaces give better holding performance.

Q: Neodymium vs ferrite pot magnets

A: Choose neodymium pot magnets if you need a strong holding force in a small size. Choose ferrite pot magnets if you need a more economical solution for general holding, signage, outdoor use, or bulk industrial applications.

Q: Pot magnets vs disc magnets 

A: For surface holding, pot magnets usually hold stronger than ordinary disc magnets of similar size. The steel shell helps concentrate magnetic force on one side, making pot magnets better for fixing, mounting, and removable holding applications.

Great Magtech (Xiamen) Electric Co., Ltd is one of the most experienced pot magnets manufacturers and suppliers in China. Welcome to wholesale pot magnets from our factory.

Magnetic Base, Mounting Magnet, Holding and Retrieving Magnets , Magnetic Pots , Cup Magnets , Magnet Assembly , Mounting Magnet , Holding Magnets
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