I use a product called Tri-Flow, which is an aerosol spray of teflon. After a few minutes, it is completely dry, will not attract dirt, and keeps the threads lubed. Application is about once a month or so.
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.