Joining [two parts] under
[loads]. Walk the joint design:
fastener size and count,
preload, friction or bearing,
and what loosens it over time
here.

Design the Joint, Not Just the Bolt

Preload and loosening, which is where joints actually fail.

Prompt

I'm joining [two parts] that see [describe the loads]. Walk through the joint design — fastener size and count, preload, whether it's friction or bearing, and what loosens it over time in this application.