Posted by Damp;Dservice on May 05, 2008 at 12:27:39 from (12.175.230.57):
In Reply to: strength of bolts posted by garry in TN on May 05, 2008 at 12:22:25:
garry in TN said: (quoted from post at 12:22:25 05/05/08) I regularly shear the Grade 8 bolt in my bush hog PTO shaft. Is there such a thing as a grade 12 bolt? here do you get them? Thanks
grade 8 bolts are too hard, they will shear faster than a soft bolt due Grade 8 bolts being strong in clamping force or tourque but they are brittle in shear, especially if they are not tight.
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