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Possible illegal gd & t callout

Shane-o
I believe I've stumbled across an incorrect use of Runout to a Flat Datum-A-Plane.
Imagine a bolt with a flat head: this is called out as Dat -A-. It also has a Flatness callout to itself, which is fine. The threaded shaft has a Runout callout to Datum -A-. This I believe is incorrect. If the pitch diameter of the threaded shaft was described as Datum -A- with the flatened side of the bolt head having the Runout callout, this would be correct. Am I correct? I just want some verification.
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  • How can a flat plane marked as datum a have a perpendicular threaded shaft with a runout callout to datum a.
    If the shaft was adatum a and i needed to check the runout of the flat plane to the threaded shaft i could understand this, then i could put the threaded shft on a v-block and put an indicator on the flat surface and check runout that way. But its
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  • How can a flat plane marked as datum a have a perpendicular threaded shaft with a runout callout to datum a.
    If the shaft was adatum a and i needed to check the runout of the flat plane to the threaded shaft i could understand this, then i could put the threaded shft on a v-block and put an indicator on the flat surface and check runout that way. But its
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