Can anyone draw this nut?

This is a relatively easy part. The most challenging issue is the radius since it needs to align with the outside corner of the hex but should be applied to a circular shape First.

I would suggest you draw two separate sketches on the same work plane. The first with the hex shape. The second with a circle.

1. The sketch with the hex shape has the hex constrained to the XYZ center point, one edge horizontal and of course add a single 60 mm dimensional constraint.

2. Now when creating the sketch for the circle, project just one of the edges of the hex into the sketch. Create a circle with the center at the XYZ center point. Constrain the diameter to either endpoint of the projected line.

3. Using the circle sketch, extrude it 35 mm.

4. Apply a 10mm radius to one end of the resulting extrusion.

5. Using the hex sketch extrude it through all using “Intersect”. (Make sure the direction is the same as the original circle extrusion or you wind up with a blank screen.)

6. Create a new sketch on one end of the nut. Place a point on the XYZ center point.

7. Use the hole command and place a hole in the nut by selecting the previously sketched point. The dialog is a little different depending on what version of Inventor you have. But generally you want to select the drop down for metric threads. M30. Through hole. Fully threaded. On a sketch.

Note this will give you a graphical representation of the threads. It will not give you the actual formed threads. The ONLY reasons you would want actual formed threads is either to impress your friends or to 3D print the nut. Even the manufacturers of the nut would not show the actual threads on their detail drawings.

If you need additional explanations or further breakdown of these steps, just let me know. There are other methods of producing this part. Some could be considered simpler but may be more more difficult to explain.

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Addendum:
Never ever use the anything but the graphical representation of the threads.
Why?
1. They uses much less computer memory and graphical memory. When you have tens of thousands of fasteners in an assembly, it matters!
2. They are much easier to constrain in assemblies.
3. They show up correctly on detail drawings. Fully formed threads don’t and only clutter the drawing.
4. They can be automatically noted on detail drawings complete with tolerances. Fully formed threads usually can’t.