That’s only ever happened to me once ... fortunately just as I was reversing into my driveway. Needless to say, my car went back out of the driveway...
Another suggestion would be a D slot pin in a slot with a clamp on the outside to hold it in, if you decide to drill right through and pin/bolt don't...
When I've done something similar in the past once the two parts were welded together I drilled a small hole all the way through both from one side to...
Hi Steve maybe if you make a grove/channel through the tube into the rod inside and use a pinch clamp with the bolt securing the components together...