20 Bolt Torque Pattern

20 bolt torque pattern image

Torque Sequence: 1, 13, 5, 17, 9, 3, 15, 7, 19, 11, 2, 14, 6, 18, 10, 4, 16, 8, 20, 12

For 20 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.
Flange Bolt Chart App Store download button