1/4 x 1/2 Inch Ring Magnet | R428 N42 Magnets

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1/4 x 1/2 Inch Ring Magnet | R428 N42 Magnets

Additional information

Description:

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

Applications:

The R428 ring magnet is both easy to handle and highly versatile. Its 1/2″ thickness makes it ideal for a wide range of uses, including crafts, art projects, science experiments, and even everyday tasks like holding items on the fridge. Strong, compact, and convenient—it’s a great magnet to have on hand.