Labfacility IS Series Standard IEC Thermocouple Connectors - Labfacility IS-K-FF, This type K standard-sized panel-mounting socket thermocouple connector is designed to be used in industrial applications.
The connector has round socket pins made from true thermocouple alloys, reducing errors.
Labfacility IS-K-FF Type K IEC Standard Thermocouple Fascia Socket