Understanding the why helps justify purchasing the PDF. You will find DIN 5464 fine-pitch flange nuts in:
However, sourcing the file comes with caveats: din 5464 standard pdf
If you are designing a new component, always verify which profile your bearing and hub manufacturers specify. Understanding the why helps justify purchasing the PDF
Official standards are typically sold by standards bodies and authorized distributors. To obtain the official DIN 5464 PDF: din 5464 standard pdf
The standard specifies the requirements for straight-sided splines (heavy series) used in fixed and moving shaft-hub connections. Core Specifications