Rubber Coated Neodymium Pot Magnet – Diameter 31mm x 20mm with Nylon P Clamp

The Rubber Coated Neodymium Pot Magnet – Diameter 31mm x 20mm with Nylon P Clamp is a compact magnetic mounting and cable management assembly designed for securing compatible cables, hoses, pipes, conduit and similar components to ferromagnetic steel surfaces. It combines a 31mm diameter rubber-coated neodymium pot magnet with a 20mm nylon P clamp, providing removable and repositionable mounting without the need to drill or weld into the supporting steel surface.

The magnetic base incorporates powerful Neodymium Iron Boron (NdFeB) rare earth magnetic material in a pot-style assembly. Its rubber coating helps reduce direct metal-to-metal contact with the mounting surface while also increasing friction to improve resistance to sliding in suitable applications.

The integrated 20mm nylon P clamp provides a lightweight, non-metallic support point for routing and organising compatible components. This magnetic P-clamp assembly is suitable for industrial equipment, machinery, workshops, vehicles, electrical installations, manufacturing and temporary cable or hose routing where flexible positioning is beneficial.

Key Features

• 31mm diameter rubber-coated magnetic base
• 20mm nylon P clamp
• Neodymium Iron Boron (NdFeB) rare earth magnet
• Removable and repositionable magnetic mounting
• No drilling or welding required into compatible supporting steel
• Rubber coating helps reduce direct metal-to-metal contact
• Rubber surface increases friction and resistance to sliding
• Nylon P clamp for supporting compatible cables, hoses, pipes and conduit
• Permanent magnetic operation
• No electricity or batteries required
• Compact design for space-restricted installations
• Suitable for industrial, commercial and equipment applications

Common Applications

• Cable management
• Hose routing
• Pipe support
• Electrical wiring
• Conduit positioning
• Machinery
• Industrial equipment
• Manufacturing
• Automotive applications
• Workshop installations
• Temporary equipment setups
• Prototyping
• Maintenance
• OEM assemblies

31mm Rubber Coated Neodymium Magnetic Base

The assembly features a compact 31mm diameter magnetic base, making it suitable for installations where available mounting space is limited.

The magnetic base allows the P clamp to be attached to compatible ferromagnetic steel without permanently modifying the supporting surface.

This provides several practical advantages:

• Fast installation
• Easy repositioning
• Removable mounting
• Reduced need for drilling
• Reduced need for welding
• Flexible routing of cables and hoses
• Reusable mounting positions

This can be particularly useful on machinery, equipment frames, steel cabinets and other installations where mounting requirements may change.

20mm Nylon P Clamp

The attached 20mm nylon P clamp provides a support point for routing compatible components.

Potential applications include:

• Electrical cables
• Wiring
• Flexible hoses
• Small pipes
• Conduit
• Pneumatic lines
• Hydraulic lines
• Tubing
• Equipment cables

The 20mm measurement refers to the P-clamp size and should not be interpreted as the height or thickness of the magnetic base.

The actual outside diameter of the cable, hose, pipe or conduit should be checked against the P clamp before use. Nominal component sizes do not always correspond exactly to their measured outside diameter.

Magnetic Cable and Hose Management

Traditional cable and hose mounting systems often require holes, screws or welded mounting points.

A magnetic P-clamp assembly provides an alternative where the supporting structure is made from suitable ferromagnetic steel.

This allows routing points to be:

• Installed quickly
• Removed when no longer required
• Repositioned during equipment changes
• Adjusted during prototyping
• Relocated during maintenance
• Reused in different positions

This flexibility can be valuable in manufacturing, machinery and temporary industrial installations.

Neodymium Rare Earth Magnetic Performance

The magnetic base incorporates Neodymium Iron Boron (NdFeB), a high-performance rare earth permanent magnetic material known for producing strong magnetic fields relative to its size.

As a permanent magnetic system, it requires:

• No batteries
• No electrical wiring
• No charging
• No external power source

The magnetic field remains continuously active.

No specific magnetic grade or pull force has been supplied for this product, so its holding capacity should not be inferred solely from its 31mm diameter or neodymium construction.

Benefits of the Rubber Coating

The rubber coating provides an interface between the magnetic assembly and the steel mounting surface.

Potential benefits include:

• Reduced direct metal-to-metal contact
• Increased friction against smooth steel surfaces
• Improved resistance to sliding
• Reduced likelihood of marking suitable surfaces during normal use
• Additional protection around the magnetic assembly

The rubber coating does not guarantee that a mounting surface cannot be scratched or damaged.

Metal particles, grit or other contaminants trapped between the magnet and the target surface may cause marking. Both surfaces should therefore be kept clean.

Nylon P-Clamp Construction

The nylon P clamp provides a non-metallic component-retention point as part of the magnetic assembly.

Nylon can be useful where a lightweight clamp is desirable for organising and supporting compatible cables, hoses or tubing.

Before use, verify that the nylon clamp is suitable for the:

• Component diameter
• Applied load
• Operating temperature
• Chemical environment
• UV exposure, where relevant
• Vibration level
• Required service life

Specific nylon grade, temperature rating and environmental resistance have not been supplied and should not be assumed.

Magnetic Holding Performance

The practical holding performance of the magnetic base depends on the complete installation.

Important factors include:

• Steel thickness
• Steel composition
• Surface flatness
• Paint and coatings
• Rust
• Dirt and contamination
• Available contact area
• Air gaps
• Load direction
• Weight of the supported component
• Cable or hose tension
• Vibration
• Dynamic movement
• Leverage

For strongest practical magnetic attraction, the rubber-coated magnetic face should make broad, flat contact with clean and sufficiently thick ferromagnetic steel.

Direct Pull vs Shear Force

Magnetic holding performance is usually greatest when the magnet is loaded in direct pull, perpendicular to the steel surface.

When mounted vertically, the assembly may instead experience shear or sliding forces.

The rubber coating can increase friction and help resist sliding, but vertical holding performance should not be assumed to equal direct pull performance.

This is particularly important where the attached hose, cable or pipe applies sideways tension to the P clamp.

Hose and Cable Tension

The supported component can place additional forces on the magnetic base.

For example, a stiff cable or hose may create:

• Sideways force
• Pulling force
• Twisting
• Leverage
• Vibration
• Repeated movement

These forces can reduce the stability of a magnetic installation even when the component itself is relatively lightweight.

Cable and hose routing should therefore be designed to minimise unnecessary tension on the magnetic mounting point.

Vibration and Dynamic Loads

When installed on machinery, vehicles or other equipment, the magnetic assembly may experience vibration or dynamic movement.

Repeated movement can increase the likelihood of:

• Sliding
• Rotation
• Clamp movement
• Magnetic detachment

Applications involving significant vibration, shock or movement should be individually assessed.

Where unexpected detachment could create a safety hazard or damage equipment, an appropriate secondary retention method should be considered.

Compatible Mounting Surfaces

The magnetic base is designed for compatible ferromagnetic iron and steel surfaces.

Suitable surfaces may include:

• Mild steel machinery
• Steel frames
• Steel cabinets
• Ferromagnetic equipment housings
• Steel brackets
• Workshop equipment

The magnet will not attach effectively to aluminium, copper, brass, plastic, timber or glass.

Many stainless steel grades also provide weak or negligible magnetic attraction and should be tested before installation.

Technical Specifications

• Product Type: Rubber Coated Neodymium Pot Magnet with Nylon P Clamp
• Alternative Names: Magnetic P Clamp, Magnetic Cable Clamp, Magnetic Hose Clamp, Magnetic Cable Mount, Magnetic Pipe Clamp, Magnetic Cable Management Mount
• Magnetic Base Diameter: 31mm
• P Clamp Size: 20mm
• P Clamp Material: Nylon
• Magnetic Material: Neodymium Iron Boron (NdFeB)
• Magnet Type: Rare Earth Permanent Pot Magnet
• Magnetic Base Finish: Rubber Coated
• Magnetic Operation: Permanent
• Power Required: None
• Target Mounting Surface: Compatible ferromagnetic iron and steel
• Primary Function: Removable mounting and routing of compatible cables, hoses, pipes and conduit

Installation

Before installation:

1. Confirm the target surface is ferromagnetic.
2. Clean the steel surface and rubber magnetic face.
3. Check that the 20mm P clamp suits the actual outside diameter of the component.
4. Position the magnetic base on a clean, flat section of steel.
5. Route the cable, hose, pipe or conduit without excessive tension.
6. Confirm the magnetic base is stable before placing the installation into service.
7. Reinspect the assembly periodically where vibration or movement is present.

Avoid dragging the magnetic base across sensitive finished surfaces, particularly if ferrous particles or grit are present.

Please Note

This product combines a 31mm diameter rubber-coated neodymium pot magnet with a 20mm nylon P clamp. The 20mm specification refers to the P-clamp size, not the height of the magnet.

No specific pull force, Gauss rating, magnetic grade, magnetic base height, nylon grade, rubber composition, clamp load rating, dimensional tolerance or maximum operating temperature has been supplied and these specifications should not be assumed.

Actual magnetic holding performance depends on steel thickness and composition, surface condition, contact area, coatings, air gaps, load direction, vibration, leverage and tension from the attached component.

Verify the actual outside diameter of the intended cable, hose, pipe or conduit to ensure appropriate compatibility with the 20mm P clamp.

For applications involving vibration, dynamic loads or consequences from accidental detachment, independently assess the installation and use suitable secondary retention where required.

Neodymium magnets are powerful and should be handled carefully. Keep strong magnets away from children, pacemakers and other medical implants, magnetic storage media and sensitive electronic equipment.