Acetone will actually break down the carbon fibers over time. Denatured alcohol evaporates quickly and is very pure from any petroleum products, leaving behind an oil free very clean arrow. I also use a wire brush then clean the inside with denatured alcohol with a cotton swap until it comes out clean. I then let them dry a few minutes. I also take a small file, and file
a flat spot on each side of the insert. I use the new gorilla 5 minute epoxy. I have not lost an insert since doing this.
We had a taxidermist come to the archery club and do a demo on mounting deer feet. He drilled the bone out with a 7/16 drill bit. He then proceeded to put a 7/16 wooden dowel in the hole. He flattened both sides of the dowel with a knife, filled the hole with hot melt. When he pushed it in, no glue came out. I couldn't believe it. I tried this on my inserts and it works like a dream.
" Enter ye in at the strait gate: for wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat. Because strait is the gate and narrow is the way, which leadeth unto life, and few there be that find it."