On May 16, 6:23*pm, joesimmers wrote:
Did the bolt break or shear at the location where the thread ends and
solid shank starts?

...

I think I would get bolts long enough to have a solid shank all the
way thru the structure causing the misaligned stress
you decribe and only enough thread on the back side to hold the washer
and nut.

But, note that the load is not just in shear.
These 4 bolts are taking the total force of the
compressed gas springs in tension...

Best Regards, Dave "YO electric"