AutoCAD 3D, how to drawing 3D bolt

ES: In this video shows how to draw a 3D bolt in Autocad by used command C (circle), command POL (polygon), command PL (polyline), command EXT (extruded), command CHA (chamfer), command IN (intersect), command helix, command CO (copy), command Rotate3D, command M (move), command SWEEP, command UNI (union), command SU (subtract), ...
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[prashikksvlogs]

Can you please make a video on how to draw drilling tap. I tried but have some doubt about it. If you make a video my doubt will be clear 🙂

[ryuk]

So how to make that triangle and what's the diameter of triangle