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Tightening Torques and Maximum Loads

Standard Series
Behringer Group Hexagon Head Bolt Polypropylene Santoprene Aluminum
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
0 1/4 - 20 UNC 6 135 6 135 9 785
1 6 245 6 225 9 945
2 6 290 6 270 9 965
3 6 315 6 290 9 1100
4 6 335 6 315 9 1125
5 6 425 6 380 9 1600
6 6 450 6 405 9 2000
7 6 495 6 425 9 N/A
7A 6   6   9 N/A
Heavy Series
Behringer Group Hexagon Head Bolt Polypropylene Santoprene Aluminum
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
H3 3/8 - 16 UNC 9 360 9 335 22 2720
H4 9 650 9 600 22 3395
H5 11 740 11 675 25 3485
H6 7/16 - 14 UNC 22 1845 22 1745 40 6615
H7 5/8 - 11 UNC 33 2475 33 2025 90 7850
H8 3/4 - 10 UNC 60 3150 60 2700 160 15,885
H9 7/8 - 9 UNC 80 6300 80 5625 180 16,875
H10 1 1/8 - 7 UNC 130 9000 130 7650 370 19,000
Twin Series
Behringer Group Hexagon Head Bolt Polypropylene Santoprene
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
Tightening
Torque
(Ft-lbs.)
Maximum load
(lbs.) in pipe
direction(P)
T1 1/4 - 20 UNC 4 100 4 100
T2 5/16 - 18 UNC 9 235 9 235
T3 9 235 9 235
T4 9 300 12 300
T5 6 300 6 300
* Disclaimer: Torque & Load values determined under laboratory conditions. Actual operating conditions may differ. All torque and load values are in accordance with DIN 3015-10