Ebuwan said:Don't hit me if this was already mentioned and I missed it.
Something like this, is it too long to work for what you need?
https://www.whitesiderouterbits.com/products/ru1805?_pos=10&_sid=08d45c7a3&_ss=r
Nope , don’t need or want 1/4” or 6mm wide cutters.
5 & 5.5mm are what I’m after without resorting to custom fabrication or self importing from Europe .