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Countersink with M3 and bigger only?
I'm trying to make M2.5 countersunk holes, but I don't get the chamfer on them (or smaller), while I do get it on M3 size and bigger.
Here's a test document: https://cad.onshape.com/documents/ec5b355b32308a201247974a/w/22bc19797fcb30004dea4b95/e/e62ee5e5019dd294ac17a4c0
The dialog for M2.5 here shows the same value for "Diameter" and "Countersink diameter," but the latter is greater for M3 and larger hole sizes.
Is there a reason for this? I could enter a reasonable value myself but am curious why it's not setting it automatically.
M3: showing the countersink diameter of 6.72:
M2.5 showing the same countersink diameter as the normal diameter:
(edited for grammar)