Countersink Bit on a shaft 1

saad.mech · Feb 18, 2023

Hello there. I am implementing the GD&T standard (ISO) and wanted to know how would I dimension a part on the drawing that uses a countersink bit. The bit is to be used on a shaft where the cone of a M4 set screw will seat, there are no threads.

SBaugh · Feb 20, 2023

If you used the Hole wizard to make it then its easy to add a dimension in a drawing. If all you did was make a countersink using a revolve feature or something then you will probably need to section the drawing to add your dimensions to it. If it's supposed to be an M4 hole with a countersunk screw, then I would use the Hole wizard. Not all hole wizard holes have to have threads.

Scott Baugh, CSWP [pc2]

Mechanical Engineer
Ciholas

https://www.ciholas.com/

"If it's not broke, Don't fix it!"

faq731-376

Jboggs · Feb 21, 2023

Even without sectioning SW can insert centerlines for those hidden surfaces. Then dimension to the centerlines.

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Countersink Bit on a shaft 1

saad.mech

Mechanical

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SBaugh

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Jboggs

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