On Wed, 16 Dec 2009 00:21:45 -0800, "Jon Danniken"
wrote:

I tightened up a 1/4" lag screw that I bought from Home Depot earlier this
evening. It was screwed into 1.5" fir after pre-drilling with a 1/8" pilot
hole.


Pilot hole should be 3/16"




Regards,

Tom Watson
http://home.comcast.net/~tjwatson1/