Hey Auntjemimma,
do you intend to use these leveling feet for leveling the table top, or the table’s feet?
Did you order a QCW Frame without ordering the Any Surface Leveling System with it? I would in any case use it, not forcibly because of the leveling feet themselves, but because it’s only with the Leveling System that you get the inserts with the threads that fit into QCW frame tubes and you need them to be able to attach the QCW frame to a table: