• Dimensions: 1/4 od x 1/8" thick with countersunk hole for #2 screw
• Tolerances: ±0.004" x ±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: 0.0203 oz. (0.575 g)
• Pull Force, Case 1: 1.19 lbs
• Pull Force, Case 2: 1.71 lbs
• Max Operating Temp: 176ºF (80ºC)
• Brmax: 13,200 Gauss
• BHmax: 42 MGOe

These are small, strong countersunk ring magnets sized specifically for #2 flat-head screws. The south pole is on the side of the magnet with the large hole, where the head of the screw would be.

These small countersunk rings can be used for a wide range of applications and can be great for craft projects. Also available in grade N52, as part number R422CS-S-N52.