The TT25 mount has 6mm holes and needs a flat headed bolt, see photo for compatible types. The TT25 can attach to the mount with the screws that were supplied with your bass shaker, or you can use M3 screws and nuts.
Dayton Audio BST-1 Bass Shaker
Buttkicker Bass Shaker "Advance"
Buttkicker Advance Bass Shaker
Powerful Bass Wireless Over Ear Bluetooth 5.1 Headphones Deep Bass Headset
Johnson HC970 Series Pinball Machine SHAKER MOTOR + Power Board!
