Female Panel mount mini connector for K thermocouple (Round) [TCFEMALE-R] - $9.95 : Auber Instruments, Inc., Temperature control solutions for home and industry
Male Thermocouple Connector: CMT On Hoke Inc.
Universal K-type Panel Jack Socket f Miniature & Standard Thermocouple Connector | eBay
Buy a Standard T-type Thermocouple plug, a set of male female for T-Type thermocouples
Type K Miniature Female Thermocouple Connector | Evolution Sensors and Controls