Rot66 gen1 1/4 inch tripod adapter?

anyone know the thread size on the side hole of the rot66 gen1? Want to get an adapter to fit my 1/4 inch tripod mount

ROT66 GenII is 1/4-20 thread - not sure if the GenI is the same.

gen1 is smaller than 1/4 inch that's all I know at the moment

M4 x 0.7, I believe, but I don’t have any fasteners of that size on hand currently to test with.

I figure I will make an adapter eventually, but in the meantime, I’ve used mine several times as a work light on a tripod by rubber banding it in place.

Thanks! Kind of an odd size, will find a way to make my own adapter as well in time. Been using painters tape to secure mine to the tripod for my work light!