I need to cut off a toilet flange with a 4" ABS pipe in it, for a total wall
thickness of 1/2". (1/4" pipe thickness, 1/4" flange thickness)
Can I use my 4" HF angle grinder with a 4" thin metal cutoff blade to go
through 1/2" of ABS?
Any better solutions? Since the pipe is sticking out of the concrete slab
only by 3/4", I cannot use my circular saw or my Sawsall.
As others have said, used a hacksaw. Cable saws can work
too but a hacksaw is likely to be easier.
Power tools don't work well on ABS (or PVC). They'll just
melt and burn the plastic making a mess.
DO mark up the pipe, make a jig, or otherwise take lots
of care to ensure a nice square cut. Unless you've done
a lot of pipe work before, it's real easy to cut the
thing way off square and it takes a lot of filing to
straighten it up!
| Malcolm Hoar "The more I practice, the luckier I get". |
I've used a chop saw many times for either with no difficulty.
For the OP, a standard woodsaw might work fine because you can flex the blade if
you want a flush cut. Use thin cardboard or something to keep the blade off the
Just as a thought, one of those saws on a rope? About 1/8" in diameter.
One of the smaller ones. If you do it carefully, you should be able to get
a pretty good cut. And if that sticks out, take a grinder to it, but I'd
use a stringer brush, as it will take it off smoother. You might be able to
use a 4" sanding wheel on the flat side, unless it loads up too much with
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Ridgid makes an inside tubing cutter, with a blade available for ABS
specifically, but I'd be willing to bet you didnt want to spend that much.
There are also drill mounted inside pipe saws made by PASCO (and also
PlumBest) that work great on PVC or ABS, and they are very cheap.
BTW, you could also do that job with a hammer and chisel for free. What I
do is just use a wasted blade and the Sawzall, because the blade is goping
to be shot when you get done anyway. But that is the quickest method I have
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