I have the precision collet from Inventables. I trust that would work?
@PhilJohnson Have you tried this engraving bit from Inventables?
https://www.inventables.com/technologies/solid-carbide-single-flute-engraving-bit--2
@PhilJohnson Is this the vbit you meant?
https://www.amazon.com/dp/B00RDSVE70/ref=cm_sw_r_other_awd_.o3gxbVZ29MTY