PE4014 BNC female bulkhead terminal connector has an interface type of solder cup and a 50 Ohm impedance.

Pasternack BNC female bulkhead connector uses shield/contact solder as an attachment method.

https://www.pasternack.com/bnc-female-standard-solder-cup-terminal-connector-pe4014-p.aspx?srsltid=AfmBOorYLXvhiVjeu5p18g6YpLBPTR0OvVYpP2GzSoUGgPijFSWmcCbl