https://www.finglai.com/products/instruments/temperature-sensors/FTARB03/FTARB03-K-M4E6P1.html
FTARB03 K type M4 6mm across flats bolt head 1m FEP cable 3D printer thermocouple screw temperature...
FTARB03-K-M4E6P1 3D printer bolt thermocouple temperature sensor has grounded work type, M4 thread size, 6*6.8mm bolt hexagon external dimension, FEP plastic...