Product Overview
The Special square rubber-coated magnet offered here combines a powerful neodymium (NdFeB) core with a protective steel pot and a rubber-coated outer surface - delivering firm magnetic hold while protecting attached surfaces and absorbing shock. This design suits heavy-duty fixtures, machine tools, assembly lines, and robotic end-effectors where holding strength, surface safety and durability are all critical factors. For industrial buyers needing reliable magnet bases for repeated installation or relocation, this pot magnet is a practical solution.
Core Construction & Specifications
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These magnetic units are built with sintered neodymium‑iron‑boron-a rare‑earth alloy prized for its outstanding magnetic energy density. Each assembly incorporates a ferromagnetic steel cup that focuses the flux onto a single contact plane, and an elastomeric outer layer that both protects mating surfaces and enhances shear resistance through increased grip. For mechanical attachment, male or female threaded studs are available in standard M4, M6, and M8 sizes, making it straightforward to integrate into jigs, fixtures, or tool holders. Typical outer diameters fall between roughly 20 mm and 50 mm, with custom dimensions offered upon request; pull forces, measured under ideal steel‑to‑steel contact, generally span from about 10 kg up to 80 kg depending on the chosen size. Standard models are designed for normal shop‑floor conditions-the rubberised coating effectively resists minor scratches and moderate wear. For more severe environments, we can supply alternative finishes or housing materials. Thanks to the flux‑directing steel pot, this design delivers holding power that is multiple times greater than that of an ordinary NdFeB disc of the same diameter.
Why This Pot Magnet Works in Industrial Settings
Reliable Holding with Surface Protection
The steel housing ensures magnetic flux is concentrated and directed to the work surface, maximizing clamping force. Meanwhile, the rubber coating prevents scratching or denting when attaching to painted or finished metal surfaces - making it suitable for fixtures, metal cabinets, automotive sheet-metal, or delicate assemblies.
Strong Grip and Vibration / Impact Resistance
Rubber adds friction and dampens shocks or vibrations - so even under lateral forces or impact, the magnet maintains hold better than bare magnets. This is especially valuable for heavy components, mobile rigs, or robotic tooling that experience dynamic loads.
Flexible Mounting & Easy Integration
With threaded studs (male or female) or threaded mounting holes, these pot magnets can be bolted or screwed onto frames, machine beds, brackets, fixtures, or jigs - enabling quick installation and removal without welding or permanent modification.
Durable and Long-lasting Construction
The steel pot protects the brittle magnet core from chipping or cracking. The rubber coating adds a protective layer and improves resistance against abrasion or surface damage - extending service life even under frequent use.
Suitable for Bulk Procurement & OEM Use
We support both small sample orders for testing and large bulk orders for industrial production. Customization - including size, thread type, coating, and magnetic strength - is available to match your project needs. That makes this pot magnet a reliable component for machine builders, automation integrators, fixture suppliers, and procurement teams
Packaging & Quality Assurance
Each pot magnet is individually wrapped with non-magnetic separators to avoid mutual attraction during transport. Bulk orders are shipped in magnet-safe crates, with padding, clear labeling, batch tracking and optional inspection reports. For OEM clients, we offer consistent quality control - magnetic force testing, coating integrity checks, dimensional inspection - to ensure reliable performance across batches.
FAQ
Q: Can I request a custom size or thread specification?
Yes - we support custom diameters, heights, threaded studs or holes. Provide your drawing or mount spec and we will produce accordingly.
Q: Does the rubber coating reduce magnetic holding force?
Slightly - rubber introduces a thin gap, which may reduce pull force compared to bare metal contact. However, the steel pot design helps focus magnetic flux and largely compensates for this difference.
Q: Are these pot magnets suitable for painted or coated surfaces?
Yes - rubber coating protects surfaces from scratching and improves grip on smooth or painted surfaces.
Q: Can I get samples before ordering in bulk?
Absolutely. We support small sample orders so you can test holding strength, fitment, and coating compatibility before committing to larger quantities.
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