Dimensions:
D=20mm (0.79″)
d1=4.5mm (0.18″) (Sized for M4 screw)
d2=8.5mm (0.33″) (Straight counterbored hole)
h=7mm (0.28″)
Material: NdFeB, Grade N38
Plating/Coating: Ni-Cu-Ni (Nickel)
Magnetization Direction: Axial (Poles on Flat Ends)
Weight: 0.42 oz. (11.9 g)
Pull Force: 13.2 lbs
Surface Field: N/A
Brmax: 12,600 Gauss
BHmax: 38 MGOe
The SMMM-B-20 is a flat mounting magnet with a straight hole through the magnet to recess a screw or bolt head. These mounting magnets are incredibly useful for when you need to securely fasten a magnet to your project.