R842-N52 - Neodymium Ring Magnet - 1/2" Dia x 1/4" ID x 1/8" Thi

• Dimensions: 1/2" od x 1/4" id x 1/8" 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: 0.0798 oz. (2.26 g)
• Pull Force, Case 1: 6.63 lbs
• Pull Force, Case 2: 15.23 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 52 MGOe

This magnet is sized like our popular R842 ring, but made in grade N52. It is an often requested size that has now been added to our stock inventory. It is a great ring for science experiments and demonstrations. Buy a bunch and save!