Tag
#fasteners
2 topics across all disciplines.
Threaded fasteners and torque
What a bolt actually does, how property classes 8.8, 10.9 and 12.9 are defined, why most of the torque you apply never reaches the joint, and why angle and yield control exist at all.
Bolted joint loosening and locking
Why bolts come loose, the difference between losing preload and actually unwinding, what the Junker test proved about spring washers, and which locking methods work for which mechanism.