Dimensions:
Diameter = 2 1/2″ (2.50″)
Threaded Female Stud = 3/8″-16 UNC 2B
Height = 5/8″ (0.625″)
Material: NdFeB, Grade N42
Plating/Coating: Ni-Cu-Ni (Nickel)
Magnetization Direction: Axial (Poles on Flat Ends)
Weight: 12.56 oz. (356.1 g)
Pull Force: 259.1 lbs
Surface Field: N/A
Brmax: 13,200 Gauss
BHmax: 42 MGOe
The SMMMS-D-Y8 is a flat mounting magnet with a female threaded shaft permanently attached. If you need a magnet to attach to something threaded, this is what you need.