Checking the Theoretical Sharp of a Flush Head Bolt on an Optical Comparator

J

jesterjay8

#1
Is there a way to check the theoretical Sharp of a flush head bolt on an Optical Comparator? And how?
 
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S

Sturmkind

#2
Hi, and welcome to the Cove!

Please see the attached file showing fastener head on gage block.
Find centerline of fastener.
Zero optical axis at center of fastener.
Rotate screen and move as shown in RED angled parallel and to match the head angle.

Let me know if this was what was needed?
 

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