Joe - tack weld a nut to a plate or large fender washer, epoxy glue a thin stick to the plate, do as Larry suggests, once the bolt is tightened, break the stick loose and pull it out
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics