A vertical bolt passing through the axle of a carriage or railway car, and forming a pivot on which the axle swings in taking curves.
| Example | Meaning |
The back axle was soldered on the two wheels, do-you-see? Well, there's other than- had to go to a bunk on the front and put a kingbolt down, and they called it a kingbolt. Turned- they actually could turn, do-you-see? On their own. |
A vertical bolt passing through the axle of a carriage or railway car, and forming a pivot on which the axle swings in taking curves. |