Sorry for the stupid question, but I got my Legendary LW20 wheels and the Mustang center caps, and for the life of me I can't get the caps on the wheels! The little black screws seem to be threaded differently and the 2 sheet metal screws included are too long. Does anyone have any ideas. Note : I'm working solo, no extra hands. Picture attached of the cap and screws. Thanks in advance for any help.