TNC Male Connector 4 Hole .687" Square Flange - Accepts .018 Pin Dia., tested to 18 GHz 411-03SF Price: $62.51
TNC Male Connector 4 Hole .687" Square Flange - Accepts .020 Pin Dia., tested to 18 GHz 411-02SF Price: $62.51
TNC Male Connector 4 Hole .687" Square Flange - Accepts .036 Pin Dia., tested to 18 GHz 411-01SF Price: $66.07