I bought Westin Pro Traxx 4 side steps for my 2015 Ram quad cab and the mounting hardware didnt work because I have welded in nuts where the hexagonal holes are supposed to be. I dont know what size the nuts are but I can't find anything about this anywhere. Called parts dep at my dealership and they didnt know. Can anyone please help me. I want to but on side steps but need to know if anyone else has had this issue and what they did to fix it.