• Dimensions: 7/8" od x 1/8" thick with countersunk hole for #8 screw
• Tolerances: ±0.004" x ±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: 0.638 oz. (18.1 g)
• Pull Force, Case 1: 12.28 lbs
• Pull Force, Case 2: 47.14 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 14,800 Gauss
• BHmax: 52 MGOe

These are 7/8" diameter x 1/8" thick countersunk ring magnets sized to accept a #8 countersunk screw.  Sold by the pair as our part number RE22CS-P-N52. One will have the north pole on the countersink side and one will have the south pole on the countersink side, so they will attract each other when they are screwed in place.

These countersunk rings can be used for a wide range of applications including door closures and tool hangers.