Asme B18.2.9 Pdf Info
Here's a brief overview of the standard:
You're looking for the full paper of "ASME B18.2.9 PDF". Here's some information about it: asme b18.2.9 pdf
2019
The ASME B18.2.9 standard provides specifications for the dimensional requirements of metric heavy hex nuts. Here's a brief overview of the standard: PDF
8 pages
American Society of Mechanical Engineers (ASME) asme b18.2.9 pdf
Metric Heavy Hex Nuts (M16 to M64)