12 Bolt Torque Pattern

12 bolt torque pattern image

Torque Sequence: 1, 5, 9, 3, 7, 11, 2, 6, 10, 4, 8, 12

For 12 bolt flanges, torque bolts in a criss-cross sequence.


Lookup flange bolt torque patterns on your phone in seconds

Flange Bolt Chart app: With bolt lengths, wrench sizes, and torque patterns.
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