RG6 F-type connector for stranded / thin central conductor?

[Axk]

Ideally I would replace the coax with one with solid center wire, but wonder if such connectors common and how I find one on ebay / aliexpress.

[drussell]

You mean something like a Canare FP-C53A?

Canare FP-C series:
http://www.canare.com/ProductItemDisplay.aspx?productItemID=38

Edit: Oh, for RG-6 you probably want something like FP-C7FA, double check your diameters!