Quote:
Originally Posted by N8N
the torque on the part is the same no matter what lube is used, the only thing that changes is the axial load.
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That's correct. Axial load is a function of the amount of torque applied, diameter of the plug, and the friction coefficient. Reducing the friction results in an increase in axial load for a given amount of torque. If the axial load is too great, the bolt (or in this case, the plug) will snap off.