OIL and WATER !!

you might, short term, get away with putting a shorter bolt in, if there are any threads. does it leak coolant from the hole?
Just a drip and a drop but not as bad as some of the bolts i tried. I was wondering if there is a way to get the little bit of thread out w/o ripping into the timing cover, thats all and maybe how else i can subside the dripping and dropping a little better.
Thanks.