Jack Nut Tool Kit

Jack nuts provide a reliable and secure mothod for mounting magnetic locks in metal door frames that are 3/16" thick or less.

During installation, the body of the jack nut collapses on the back side to form legs which grip the inside of the mounting surface.

Jack nut tool kit contains the following:

  • Jack nut installation tool
  • 25/64" drill bit
  • 5M mandrel installed in installation tool
  • 50 - 5M x .75" flat head phillips machine screws
  • 1 each of 3M, 4M & 6M mandrel


JN - 50 also available and includes:

  • 50 - 5MM jack nuts & 3/4" flat head phillips machine screws