R844-N52 - Neodymium Ring Magnet - 1/2" Dia x 1/4" ID x 1/4" Thi

• Dimensions: 1/2" od x 1/4" id x 1/4" thick
• Tolerances: ±0.004" x ±0.004" x ±0.004"
• Material: NdFeB, Grade N52
• Plating/Coating: Ni-Cu-Ni (Nickel)
• Magnetization Direction: Axial (Poles on Flat Ends)
• Weight: 0.16 oz. (4.53 g)
• Pull Force, Case 1: 10.80 lbs
• Pull Force, Case 2: 15.35 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 52 MGOe

The R844 is an outstanding ring magnet with a million uses! It's sized just like the R844, but made in the more powerful grade N52.