so im taking down the entire gun so i can get it bead blasted then parkerize it. ive got absolutely everything done except the stupid hammer pin. i CANNOT get the darn thing to budge. i tried with a weak screw driver but it just bent it to hell. my larger, stainless steel screw drivers can't fit. anyone ever had issues with hammer pins, like on a 1911 or something? any idea how i could get it out or what the problem could be?

related question: im pretty sure i need to have all external parts bead blasted and parkerized right? this includes the interior of the pistol?