[DeTomaso] Steering shroad Allen head screw size?

[Panteratime]

Folks,
The Allen head screw that screws into under dash to hold steering shroud "pipe" is stripped.   Part number 00050042.  Any one know Pitch and size of the screw or where I can get one?  looking to replace screw and re tap hole.  
Thanks!!!  
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   Folks,

   The Allen head screw that screws into under dash to hold steering
   shroud "pipe" is stripped.   Part number 00050042.  Any one know
   Pitch and size of the screw or where I can get one?  looking to replace
   screw and re tap hole.

   Thanks!!!