R84X0 - Neodymium Ring Magnet - 1/2" Dia x 1/4" ID x 1" Thi

• Dimensions: 1/2" od x 1/4" id x 1" 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: 0.638 oz. (18.1 g)
• Pull Force, Case 1: 12.58 lbs
• Pull Force, Case 2: 12.58 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

This long ring magnet is can be used in many applications from science projects to making ball-and-socket joints.