On Sep 6, 10:43 pm, wrote:
Does anyone know who might have these? Or will I have to have one
made?

I know it's not a common item, but nothing else will work.

Thanks,
Jay

A 1/4" radius (1/2"wide cut) if not plunged to full depth?

If you need the full 5mm depth, than none of my catalogues (on-line
and in my office) have one.

Royce-Ayr will make you one for a reasonable price.

r