mortise drill bits

Square chisel mortising bits can also be fitted to normal drill presses using a
mortising attachment. I have used two different sizes (1/4 and 5/16) they both bent after drilling less
then 10 mortises. A mortising attachment for the drill press allows you to cut square holes with the
. Fits all mortising machines and drill press
attachments. I mount this bit as far into the chuck as I can so that it barely extends out far
enough to cut the mortises. A drill press with a mortising attachment is the
easiest and most efficient way of cutting mortises for mortise-and-tenon joints. See more detail at http://mortise.drill.bits.bestcheaphanddrills.com