On Saturday, February 17, 2018 at 5:06:29 PM UTC-5, Ralph Mowery wrote in sci.electronics.repair:
> >
> > > > > Repairing metal housing.
> > >
> > > 7/8" steel tube with ends slightly rounded inwards.
> > > I need to remove all and a little more of the rounding inwards. > > >
> > > What material bit for either 1/4" OR 1/8" shank hand drill motor or
> > > Dremel is best to use ?
> > >
> > > I have many of these to do.
> >
> > Can you just re-cut the end?
> > Maybe a step drill bit, or a conical bit.
> > (A dremel sounds a bit wimpy for the job, unless it's thin walled > > SS.)
> >
> > George H.
>
> Did anyone mention a tapered reamer ? The pipe threading machines > usually
> have them built in.
Do they work on rigid? pipe, too?