I have a problem where I need to determine if 4 grade 8.8 M36x4.0 bolts can be THREADED into (not nut & bolted) a block of steel which weighs 10,000# and hole the load when suspended from these bolts. I am not sure how to determine load values when the load is hanging from the threads. I would like a formula if possible not just the answer so I can use it in the future for other problems. I would also like to know how to determine the minimum thread engagement needed to get full load potential. Thanks a lot.