a 1-3/8" forstner bit works fine. if you're drilling into particle
board or something it will dull pretty quickly. in that case, use the
forstner bit to drill a router template and "drill" the doors with
the one I bought was kind of expensive, $35 or so. then I bought a 10mm
r8 tool holder to fit it into the mill, $10 or so on ebay. so now I'm
stylin'. I have drilled plenty of them with a portalign and a plain
steel forstner bit though, as well as with a straight bit and template
and plunge router. all of these methods work, as long as you get the
hole in the right place.
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