torque for shank bolts
Hi all, I've gone from an Excursion to an F350 for towing. The F350 is taller than the Ex so I've turned my hitch upside down and now I need to retorque the shank bolts. What is the correct torqu...
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asme spec. 250 lb./ft for 3/4" nc gr. 5 dry bolt in that application. Torque is not an issue as much as shear load because the bolt is not so much a connection as it is subjected to side shear load. Lubes reduce torque spec. depending on type. Machine oil to moly paste, makes a big difference. Moly can reduce torque by 50 %
