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Description
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- Dimensions: 1/4" od x 1/8" id x 1/2" thick
- Tolerances: ±0.004" x ±0.004" x ±0.004"
- Material: NdFeB, Grade N42
- Plating/Coating: Ni-Cu-Ni (Nickel)
- Magnetization Direction: Axial (Poles on Flat Ends)
- Weight: 0.0798 oz. (2.26 g)
- Pull Force, Case 1: 2.92 lbs
- Pull Force, Case 2: 3.01 lbs
- Max Operating Temp: 176ºF (80ºC)
- Brmax: 13,200 Gauss
- BHmax: 42 MGOe
The R428 ring magnet is easy to handle and incredibly useful It's half inch thickness makes it perfect for crafts, art projects, experiments and of course, the fridge. How will you use yours?
 | 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 for a REACH compliance statement. |
 | Click this link to download a .STEP file (3D model). |
 | Click this link to download an .IGS file (3D model). |
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