Snapmaker should consider implementing a collet for the CNC and perhaps even use Dremel brand collets.
Here’s an inexpensive ($6.98) offer from Lowes That has 4 different collets and the nut:
https://www.lowes.com/pd/Dremel-Quick-Change-Collet-Nut-Set/1000148855?cm_mmc=SCE_PLA_ONLY--ToolsAndHardware--RotaryToolsAndAccessories-_-1000148855:Dremel&CAWELAID=&kpid=1000148855&CAGPSPN=pla&k_clickID=a847dcbe-9042-4e46-a595-1028ff9aaa4a&gclid=EAIaIQobChMI1_KizKqb1wIVAgRpCh01TQMwEAQYASABEgIzrvD_BwE
Which brings up an Idea, have a forum topic for related products that folks might want to purchase.