Originally Posted by
Edwin Santos
The "measure three times" thing could be a little misleading in this case. I think all he means is to take care when setting the depth stop on the drill bit the one time for the job. If you drill the 1/2" material, then the screw has a 1/4" more material for travel in the thicker part. The best thing to do is to drill a joint or two in some identical scrap to dial in the depth setting and ensure no poke through.
This is exactly what I was referring to. The drilling depty tolerance with 1/2" material is "really small"...and yea...test with scrap.
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The most expensive tool is the one you buy "cheaply" and often...