JIMRPT@aol.com wrote: > > List; > I am in the process of fabricating a new damper guide rail and a question > has entered my mind: Is there a correct size for the hole in the guide > rail?? > I know that the holes will be lined with felt and that almost any size > hole, correctly placed, will work as adjustments can be made through use of > different thicknesses of felt. > But................Is there a "correct" size hole for the guide rail ?? > Jim Bryant (FL) I use a #7 bit. John Hartman
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