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
Pretty sure every bolt on the hitch should be grade 5, note grade 8. 8 is stronger but also more brittle with shock loads. Grade 5 will stretch or bend to be more forgiving of the stress a hitch sees where a grade 8 can snap or chip threads.
