Bill and many others here recommend Steve at VAS who does cartridge rebuilds and re-tipping.
I asked him questions when I was considering buying a used cartridge for rebuilding, He was very responsive and gave clear helpful advice.
You could write and ask Steve here
https://vasnyinc.com/repair-service/
This person has a big re-tipping operation it seems, you could write with questions (99.7% approval rating)
https://www.ebay.com/sch/cartridge_retipping-5/m.html?item=184366434309&hash=item2aed188805%3Ag%3A9NIAAOSw-OpfEI-F&rt=nc&_trksid=p2047675.l2562
Elliott
I asked him questions when I was considering buying a used cartridge for rebuilding, He was very responsive and gave clear helpful advice.
You could write and ask Steve here
https://vasnyinc.com/repair-service/
This person has a big re-tipping operation it seems, you could write with questions (99.7% approval rating)
https://www.ebay.com/sch/cartridge_retipping-5/m.html?item=184366434309&hash=item2aed188805%3Ag%3A9NIAAOSw-OpfEI-F&rt=nc&_trksid=p2047675.l2562
Elliott