Description
Technical
Downloads
![](/images/magdir/ring-4-1.25.png)
- Dimensions: 1" od x 5/16" id x 1/4" thick
- Tolerances: ±0.020" x ±0.020" x ±0.020"
- Material: NdFeB, Grade N52
- Plating/Coating: Thermoplastic
- Magnetization Direction: Axial (Poles on Flat Ends)
- Weight: 0.485 oz. (13.8 g)
- Pull Force, Case 1: 11.12 lbs
- Pull Force, Case 2: 25.72 lbs
- Max Operating Temp: 176ºF (80ºC)
- Brmax: 14,800 Gauss
- BHmax: 52 MGOe
This popular size is now offered with a thermoplastic rubber-like coating. They won't mark or scratch surfaces they come in contact with. The coating helps limit slipping on smooth surfaces.
These magnets are similar to the natural rubber coated magnets we previously offered, but with several improvements. Unlike natural rubber, which can have tiny pin-holes, this coating can seal the magnet from moisture. Our underwater testing is in progress! These magnets are easier to separate. They and are nicer to handle and cleaner than blackened natural rubber.
![]() | Pull Force, Case 1 vs. distance: Magnet to a Steel Plate. |
![]() | Pull Force, Case 2 vs. distance: Between 2 Steel Plates. |
![]() | Pull Force, Case 3 vs. distance: Magnet to Magnet. |
![]() | Pull Force, Case 4 vs. distance: Magnet to Magnet Repulsion. |
![]() | Click this link for a depiction of the magnetic field. |
![]() | View B-H curves for this magnet. |
![]() | Click this link to download a PDF Specification Sheet. |
![]() | Click this link to download a PDF drawing of this product. |
![]() | Click this link to download a Certificate of Compliance for this product. |
![]() | Click this link to download a RoHS Statement of Compliance for this product. |
![]() | Click this link to download a Material Safety Data Sheet (MSDS) for this product. |
![]() | Click this link to download a Conflict Minerals Reporting Template (CMRT). |
![]() | Click this link to download a Certificate of Origin for this product. |
![]() | Click this link to download a .STEP file (3D model). |
![]() | Click this link to download an .IGS file (3D model). |
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