Quote:
Originally Posted by Fast Corners
From your photo, it appears to be a case saver.
Having installed both, the case saver is the way to go.
If you are going to install one I would recommend using a squaring jig so that you drill out the existing hole as perpendicular to the mounting face as possible. If you are not going to go that route, buy a number of drill bits that increase in size by 1/32 or 1/16 inch (Max) increments up to the size you will need for the case saver.
By stepping up the sizes of the drill bits you should have more control over drilling the oversized hole without "wandering". Go slow and use lots of lubricating oil...That goes for all drilling and tapping operations...LOL
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While I agree totally with the first portion of your first statement, I totally disagree with your secondary rationale of 1/32 - 1/16 drill increment steps. By doing this, all you accopmlish is increasied opportunity for drilling the holes out of perpendicularity with the face.
Even if you have hands as steady as a surgeon, you will still need eyes capable of detecting out of perpendicularity by no more than .005". Why not do the job correctly the first time by using a squaring jig and save yourself a bunch of time, money, and headache by effing it up?