telescopic antenna

[Leigh_2]

For a telescopic antenna for a fm radio, what do u call the end the screws on to the end of the antenna https://imgsafe.org/image/97376d0c1c can you buy these ends that screws to the antenna end separately. for the RF jack connection

 

[R_1]

the barrel nut connector or in Three Letter Acronym speak the BNC.
https://duckduckgo.com/?q=barrell+nut+connector+antenna&t=ffcm&iar=images&iax=images&ia=images

there are many types and sizes so you may need to shop around

 

[Leigh_2]

the barrel nut connector or in Three Letter Acronym speak the BNC.
https://duckduckgo.com/?q=barrell+nut+connector+antenna&t=ffcm&iar=images&iax=images&ia=images

there are many types and sizes so you may need to shop around

just looking for the F type male connector for rf jack. How big can a RF jack on a radio be.