R841 - Neodymium Ring Magnet - 1/2" Dia x 1/4" ID x 1/16" Thi

• 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.

These magnets, along with our RX032, were used in our popular Magnet Battery Cars article.