RC86 - Neodymium Ring Magnet - 3/4" Dia x 1/2" ID x 3/8 " Thi

• Dimensions: 3/4" od x 1/2" id x 3/8" 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: 0.399 oz. (11.3 g)
• Pull Force, Case 1: 16.30 lbs
• Pull Force, Case 2: 21.12 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

These thin-walled ring magnets are great for science experiments, magnetic bearings, and many other applications.