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
ktmrfs wrote:
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.
Equal-i-zer installation requirements, from Progress Mfg ...
![](https://i.imgur.com/vPdt4TBl.png"width=800")
Using an adequately rated torque wrench is the only correct method of properly tightening those shank bolts, leaning on an extension bar with your body weight is not. ;)
