• Dimensions: 1/4" od x 1/8" id x 1/16" 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: 0.01 oz. (0.283g)
• Pull Force, Case 1: 0.95 lbs
• Pull Force, Case 2: 2.70 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

The R421 is a very affordable little ring magnet. Excelent for use in model miniatures, custom packaging, jewelry and even small electronic devices.

	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 here for a depiction of the magnetic field.
	View B-H curves for this magnet.

	Click here to download a PDF Specification Sheet.
	Click here to download a PDF drawing of this product.
	Click here to download a Certificate of Compliance for this product.
	Click here to download a RoHS Statement of Compliance for this product.
	Click here to download a Material Safety Data Sheet (MSDS) for this product.
	Click here to download a .STEP file (3D model).
	Click here to download an .IGS file (3D model).

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