Hey guys...looking for a little help tracking down some info on hub cones...

I noticed some slight-to-worrisome pitting on 2 of the 4 cones (front and rear) during a recent grease/re-pack of a Weinmann Rm19 wheelset (probably my fault for not paying closer attention to the grease level ).

Anyway, looking to replace/upgrade with new, but the hubs themselves (aluminum, El-Cheapo brand?) have no label or stamping. Is there any way to tell what cone I need given the information above, or will I have to break out the calipers and do some hardcore Googling? No LBS nearby, so all parts will have to be mail ordered USPS...

(On a side note: what's the deal with finding threaded hubs for vintage 10-speeds? Am I not looking in the right places or have they disappeared entirely ?!)

v/r,