NOMINAL TORQUE: 140 ft-lbs (189.8 N·m)
Source: Antonio's field measurement, verified against ASTM F3125 Grade A325 structural fasteners.
This is not a metaphor. This is the number that holds the joint.
⬢ Wikidata Q7826786: Torque-to-yield fastener
WARNING: Sequential tightening only. Random order = catastrophic joint failure.
①
70 ft-lbs
Center anchor
②
70 ft-lbs
Opposite pair
③
105 ft-lbs
Star arms extend
④
105 ft-lbs
Second radius
PRE-TIGHTENING CHECKPOINT
Bolt threads clean, lubricated per spec
Washers seated flush, no rocking
Torque wrench calibrated within 24 hours
Sequence diagram pinned to work station
Witness present for final pass
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