The inserts are mostly shallower than the typical 3/4" panels and that would allow the non-flanged. Frankly, I hadn't thought of that.I use my cordless with some hex keys I cut the 'L' off of to drive the 1/4-20 or 10-24 cap head bolts on a fairly low torque setting. Still, there always seems to be at least one hole close enough to the edge of the cut-out that it works loose and then you feel the bolt turning and turning to no purpose! Which also destroys the edge and precludes fixing a new T-nut w/o filling and re-drilling.
Next time you tire of installing one more g-d driver think how it helps you maintain your edge:)