• Dimensions: 1/2" od x 1/4" 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: 0.0399oz. (1.13 g)
• Pull Force, Case 1: 2.57 lbs
• Pull Force, Case 2: 11.11 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

The R841 is perfectly sized for crafts, art projects, hobbies, science demonstrations and so much more! Just be sure to handle these thin rings carefully to avoid cracking or breaking them.

	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.