SpudFiles

For my ghetto breech system I'm using a 1/2'' coupling on some 1/2'' pipe. There's a little ridge in there that I can't seem to get out. I just spent about 35 minutes using a drill, sandpaper, a hammer and a flathead screwdriver but can't get the pipe to slide through. Is there a good method to get it out, or should I just be sanding for a while?

Thanks
Salty

try a chisel, that might work, if not just keep sanding and/or drilling

I use a dremmle with a grindy wheel. try slicing it away with a knife

I don't have a dremel and the chisel wouldn't fit, hence the flathead screwdriver. I think I'll try a knife.

I'm afraid you're just going to have to keep sanding it till it fits.

do you have any big files? pyromaniac has some that could grind your face off!

Wow I'm so stupid! I was looking through my grandpa's old tools on the top shelf and I found like 3 drills and 3 dremels, belt sanders etc.
Now he coupling fits perfectly. I feel special

On the subject of big files, my friend has this huge belt sander that's about as big as a big drill press and the "belt" of sanpaper can easily wrap around a full-grown man- the funny part is he got it used and the guard was off, so he got a free killing machine!