Yes - it has been posted on here a few times.
Here is one spot although there have been recent discussions as well. You can always use the search bar if you have trouble finding something
viewtopic.php?f=8&t=5374&p=91532&hilit=blade+offset#p91532 for one of many conversations about them.
I keep the settings in One Note so I can access things I need easily: Highly recommend that program
"There are set figures for the blade offsets
0.25mm for the standard blades
0.6mm for the detail blades
0.7mm for the 60plus blade
If your shapes have rounded corners when you are using these offsets then it is for a different reason.
Overcut -
1.00 for regular blades
1.20 for 60 degree plus
0 for pen tool and other tools…"