This is like the set I have from Amazon. Not sure if this will help. I'm hoping you can get something off of this that is helpful.

https://www.amazon.com/Carbide-0-3mm-1-2mm-Circuit-Engraving-BOOTOP/dp/B08Z7JZKKD/ref=sr_1_11?crid=1JPYK5BKVGY6Q&keywords=micro+drill+bit&qid=1660673734&sprefix=micro+drill+bit+%2Caps%2C52&sr=8-11