[Tibbs]

My apologies Tony. I read your post wrong.

I use 4-40 press-in brass inserts with #227 Evergreen styrene tubing.



Link here.

https://www.professormotor.com/product-p/pmtr7013.htm

It's also available in bulk from here. A bit cheaper too. I buy them by the hundreds. I build too many cars.

Part # 628-575 on page C199.

https://spaenaur.com/media/ecatalog/C198/index.html

Thanks for that tip, I've got loads of those as I use  them in the Sign Trade.