Thoughts on Restoring a Morgan
Wood screw pilot hole sizes

©By: John T. Blair (WA4OHZ)
dot_clear 1133 Chatmoss Dr., Va. Beach, Va. 23464; (757) 495-8229

The following is an excerpt of a chart I received from Popular Science. I found it invaluable during the restoration of my Morgan and thought I'd pass it along. 


  Screw Body        Machine   Wood           Soft      Hard
   Number           Screws    Screws         Wood      Wood
     4               #31       1/8"          1/16"     5/64"
     5               #29       9/64"         5/64"     3/32"
     6               #27       9/64"         5/64"     3/32"
     7               ----      5/32"         3/32"     7/64"
     8               #18      11/64"         3/32"     7/64"
     9               ----      3/16"         7/64"     1/8"
     10              #9        3/16"         7/64"     1/8"
     12              #2        7/32"         1/8"      5/32"

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