That is the standard. If a bolt or a nut has a diameter of M24, M10, M30 and so on, if you want to get the actual diameter you multiply by 1.5. If you want to get the thickness of the bolt cap you multiply by 0.8, thickness of nut you multiply by 0.7 and many more standards.
This is an important fastener in engineering
This is the link for constructing only bolt
ruclips.net/video/feqIlEA4be0/видео.html
This is the link for constructing only nut
ruclips.net/video/0PqqOGGpF2c/видео.html
For better clarification
Preciate it bro.@@alirule
Why do u multiply 16 by 1.5 and 1.6
That is the standard. If a bolt or a nut has a diameter of M24, M10, M30 and so on, if you want to get the actual diameter you multiply by 1.5.
If you want to get the thickness of the bolt cap you multiply by 0.8, thickness of nut you multiply by 0.7 and many more standards.