Gene Nelson wrote: > Hi John, > For the screws I have learned to use this technique that works ok - it > is a two step process and I like it better than a tapered bit for the > big pin block screws. > Measure the shank (may be the wrong terminology - sorry)of the screw and > add 10% and that is the drill size for the threaded part. Flag the drill > for depth and dirll the hole. For the shoulder, use the same drill size > as the shoulder, flag the drill and redrill the hole to the depth of the > shoulder. > Add just a dab of Teflon powder to make it easier to > cut the threads. > Gene I've also found that either running a lag screw (long, with the head cut off, in an electric drill) with a similar thread in as a tap, or just forcing the sucker in cold with an impact driver, works pretty well too. Depends on where you stand and how you squint. Ron N
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