well there is pressure being applied...that is how the stud is being forced outSame as Jimmy_D.
Short flat head screw upside down in the hole, screw post on top. Comes out like magic. I don't think it mars the wood at the bottom of the whole, there is really no pressure applied while doing it. And if it does ... who cares ?
Well you make a good point in that one should always measure the depth of the hole vs the body thickness to determine how much lumber is left under the bushing and judging whether it can withstand the pressure, as you never know how deep the holes are.well there is pressure being applied...that is how the stud is being forced out
and if someone previously glued the studs in ( this happens ) you could be in trouble
...on the "anal-retentive tone hound" front, it can be preferable to have the bottom of the bolt in contact with the mahogany. if you push the mahogany down & deform it, that won't be happening
when I work on a guitar, I always choose a technique that has the least chance of any kind of damage.
...who cares? I do