Quote:
Originally Posted by Chris is me
While this is common and may work, it is not optimal. Screws aren't great in shear due to the stress risers of the threads and the effectively smaller load carrying diameter of the bolt. A better solution is to use 3 bolts for fastening and three shear pins to take the load. Shear pins are better simply because they aren't threaded and thus have a larger effective diameter.
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thanks for the advice ill see about replacing half the bolts with shear pins