CRU6529  UHF female bracket mount connector 

  UHF SL16* female connector with fixing nuts suitable for mobile antenna mounting.

Connector has side entry for RG58 coax, with crimp sleeve for braid connection and solder fork for centre connection.\

* SL16 is a metric thread version of the UHF style connector.  Connector thread is M16 x 1mm.  The original specification for UHF connector threads is 5/8" x 24tpi.  The metric and imperial versions are quite close and in some cases will mate, depending on how the  threads are cut.  The majority of  UHF style connectors of Asian origin are now SL16.