The Harbor Freight 39083 QCTP will not bolt directly onto the 9x lathes. The stock 9x
                       toolpost stud is too short. Building an adapter allows you to keep the stock toolpost stud
                       and bolt the 39083 to the topslide.

                       Please note: With the 39083 mounted directly onto the topslide as shown 1/2"
                       tooling will NOT work. You cannot get the toolholder adjusted low enough without
                       interfering with the topslide. Smaller tooling such as 1/4" , 5/16" or 3/8" will work
                       since the toolholder is raised higher with the smaller tooling. It is possible to
                       mill down the surface of the topslide to make the 1/2" tooling work shown here
 
 

       This is an adapter I turned from stainless steel ( steel would work fine ). The bottom portion
       screws onto the stock toolpost stud. The stock 9x toolpost stud is a 8mm x 1.25 thread.
 
 

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