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Fastener depth gage
    Publish time 2023-11-28 14:34    

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Fastener depth gage

Penetration Depth

This is the distance a precisely made gaging element enters a fastener’s recess. This is usually less than the “recess depth”. This measurement is an indication of how deeply a driving bit will engage in the recess.

Recess Depth

The deepest point in a fastener’s recess. This is usually a sharp point in the center of the recess.