Bolts Failing on Equalizer Hitch
I have an Equalizer Hitch with 1400 lb bars. Today I replaced the third pair of bolts and nuts that attach the head to the shank They are grade 8, 3/4" in diameter and 5" long. The threads failed on t...
Forum Discussion
recomended torque on a 3/4" grade 8 course thread is 282 lbs. for an unlubricated bolt. Lube it and the spec goes DOWN. In any case your over double the recomended torque for a 3/4" bolt. likely at or beyond the yield spec.
