i changed out all 3 of my brakes.. couldnt get the screw off the rotor.. so i decided to just change the brakes.. rotor screws are a bitch.. i think i stripped one

.. when i was changeing my last one.. i couldnt get my caliper on for some reason.. it took me like 2 hours and i decided to give up.. is there any special way getting those things in.. im not getting them in a right angle or something.. i got lucky 3 times? :\ anywho my back hurts.. im pooped..