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Un article trouvé pour ce sujet.
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The angle of a countersunk screw |
2020-01-19 |
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Barbie pose la question :
I need to be able to verify the angle used for the head of a countersunk screw.
I have the diameter of the head, diameter of the shank and height between the
two. I assume it would be considered a frustum.
For example:
A standard 90 degree metric flat head screw in an M2 diameter has a head diameter of 3.65mm,
the actual thread diameter is 1.98mm and the height of the head is 1.20mm.
How can I prove that it is a 90 degree angle?
Harley Weston lui répond. |
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