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I then proceeded to drill out a 1/2" diameter hole in the end (I step drilled the hole using the following sizes: 1/8", 1/4", 3/8", 7/16", 1/2"). With the 6" piece, the 1/2" drill bit, and the 1/2" drill chuck, there was only 3" of space left at the end of my 24" bed. The hole was drilled about 1" deep (the tip of the drill went in 1"). With the 1/2" drill bit, the outside of the drill bit went in about 0.85". It only needs to be about 0.75" deep. Bigger...
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Copyright 2006 by Dave Hylands