Product Summary
Customized steel shell NdFeB pot magnet assemblies produced in our factory for industrial holding and mounting.
Steel cup concentrates magnetic force on one face
Available with internal/external thread, countersunk or hook
NdFeB core with nickel, zinc or epoxy coating options
OEM sizes, grades and pull forces available for bulk orders
Product Details
Customized Steel Shell NdFeB Pot Magnet Assembly is manufactured in our workshop by pressing a sintered neodymium magnet into a precision-machined steel cup. The steel shell focuses the magnetic flux onto the working face, delivering much higher holding force than a bare magnet of the same size when attached to mild steel. We machine the steel body, insert the NdFeB disc, and finish the assembly with the required coating and mounting feature according to each drawing.
Daily production covers diameters from 10 mm to 75 mm and beyond. Customers can specify magnet grade (N35 to N52), coating (Ni-Cu-Ni, zinc or epoxy), and fixing style – internal thread, external thread, countersunk hole or welded hook. Every Customized Steel Shell NdFeB Pot Magnet Assembly leaves our line after dimensional checks and pull-force sampling so the holding performance matches the agreed specification.
We support both small prototype batches and continuous wholesale supply. Buyers who purchase Customized Steel Shell NdFeB Pot Magnet Assembly directly from our factory receive consistent quality, short lead times and the option to add private-label packaging or laser marking. Production moves forward once the drawing and force requirement are confirmed.
Product Parameters
| Item | Specification |
|---|---|
| Product Type | Steel shell pot magnet assembly |
| Magnet Material | Sintered NdFeB |
| Shell Material | Low-carbon steel |
| Diameter Range | 10–75 mm (custom larger sizes available) |
| Magnet Grade | N35–N52 (other grades on request) |
| Coating Options | Ni-Cu-Ni, Zn, Epoxy, or custom |
| Mounting Styles | Internal thread, external thread, countersunk, hook |
| Typical Holding Force | 2–250 kg (depends on size and grade) |
| Working Temperature | ≤ 80 °C for standard N grades |
| Tolerance | ±0.1 mm or per drawing |
| Origin | Factory production, China |
FAQ
Q: Can the steel shell be supplied with a different surface finish?
A: Yes. Besides standard nickel or zinc plating we can apply black epoxy, phosphate or other finishes when the drawing specifies the requirement.
Q: Do you provide pull-force test reports with each batch?
A: We perform sample pull-force testing on every production lot and can issue a simple inspection report if the order requires it.
Q: What is the usual lead time for a new custom size?
A: After drawing confirmation, prototype samples are normally ready in 7–12 days; regular production quantities follow according to the agreed schedule.
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