Apparently this will work with a step-up/down transformer.
The specific unit suggested was
so I’m hoping that that would work plugged into my BitRunner, and that the various size collets (1/8", 3mm, 4mm, and 6mm are available in addition to the afore-mentioned ER-16 adapter and an OZ collet chuck adapter) will work out.
One thing which is confusing/concerning:
https://produkte.mafell.de/en/accessories/adapter-sleeve-ground-6-mm-1/4-in.
is apparently good for both 6mm and 1/4"? Hoping that doesn’t have implications for runout.
Of course, if someone could work up a cable which would connect the:
version to the BitRunner adapter, I’d have to try that.