We have had conversations with the manufactures of popular Jeep mounts (taillight, tire carrier] regarding their powder coated antenna mounts. Our suggestion … mask around the mounting holes and the antenna stud mounts 1/2” hole before the coating is applied so bare metal is exposed. Alternately, include in the instructions the need for the mount to be grounded to the vehicle AND that the antenna stud or coax cable MUST have access to chassis ground through the mount or the antennas system WILL NOT WORK.