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169mph, look at where you original fastener broke. It broke at the root of a thread. Thread roots are high stress locations on fasteners. Threads are not meant to be placed in shear (side) load, they are meant to apply a tensile loading to tighten the fastener. If you side load a torqued fastener at the root of a thread it will break — maybe not today and maybe not tomorrow but it will break.
The load bearing area / surface of a fastener is the unthreaded shank of the fastener. This is where the load should be applied. The fastener you have sourced is a replica of the fastener that broke. Both require a longer shank to protect the threaded portion of the fastener from a shear load (side load).
If you replace the original with a duplicate you will duplicate the failure you have already experienced. Buy the proper fastener to prevent a repeat performance.
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Help them do what they would have done if they had known what they could do.
Last edited by eschaider; 03-29-2022 at 11:05 AM..
Reason: Spelling & Grammar
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