Metric M14X1.5 - Double End Extra Fine Stud Zinc Class 10.9 Hard M14x1.5, M14X1.50
Double ended studs, or "tap end studs" have a shorter length of thread on one side, an unthreaded middle shank, and a longer length of thread at the other end. Both sides of the stud are right hand thread.
Diameter: 14mm
Pitch: 1.5 Fine Thread
Material: Class 10.9, High Strength
Also known as threaded pin, externally threaded headless fastener