ABB SafeGear MCC Installation, Operation And Maintenance Manual page 47

I N S TA L L AT I O N , O P E R AT I O N A N D M A I N T E N A N C E M A N U A L
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Appendix D Torque requirements for SAE grade 5 steel hardware
The table below applies to SAE Grade-5 unlubricated steel hardware into unlubricated, threaded steel material
unless otherwise stated. Torque hardware within the maximum/minimum tolerance.
SAE Grade 5 steel hardware
Hardware
Size (inch.)
5/16 - 18
(hex head)
3/8 - 16
carriage bolt
3/8 - 16
hex bolt
3/8 - 16
steel threaded stud - (CT mounting)
3/8 - 16
fiberglass threaded stud - (CT mounting)
1/2 - 13
hex bolt
5/8 - 11
hex bolt - (for polyester stand-off insulator)
Torque value
20 lb-ft-Max
Target = 17 lb - ft
13 lb - ft - Min
40 lb - ft - Max
Target = 35 lb - ft
30 lb - ft - Min
40 lb - ft - Max
Target = 35 lb - ft
30 lb - ft - Min
20 lb-ft-Max
Target = 19 ft - lb
18 ft.lb - Min
12 lb.ft - Max
Target = 11 ft - lb
10 ft.lb - Min
75 lb - ft - Max
Target = 67 lb - ft
60 lb - ft - Min
75 lb - ft - Max
Target = 67 lb - ft
60 lb - ft - Min
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