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crisch 02-21-2013 09:35 PM

Broken shower drain bolts
 
Hello. I'm in the process of remodeling my bathroom. Currently I have the shower demolished. While in the process of taking out the old, vinyl shower pan, the bolt heads on 3 out of the 4 flange bolts going into the shower drain broke off. These are siezed, stainless steel 1/4 inch bolts. I've tried without success to remove these bolts using the 'Grabit Pro' bits. Can anyone provide some pointers on how I may be able to get these bolts extracted? I'm afraid I may end up having to cut out the concrete and replace the actual drain.

Your input is greatly appreciated!

Chad

joecaption 02-21-2013 09:40 PM

What are you replace the old pan with? If your going to try and tile it you would have to change it anyway.

TarheelTerp 02-21-2013 09:53 PM

Quote:

Originally Posted by crisch (Post 1122054)
I'm afraid I may end up having to cut out the concrete and replace the actual drain.

Your input is greatly appreciated!

Hilti makes a nice sds hammer drill

crisch 02-21-2013 10:02 PM

At the drain, the vinyl was sandwiched between the drain base and the drain flange. I had to take off the drain flange to get the vinyl out. My hope was to leave the drain base in place, install a new pvc pan, put the drain flange and drain barrel back in place, spread a new mortar bed and then tile over the mortar bed.

My issue is getting the broken bolts out of the drain base.

oh'mike 02-22-2013 06:02 AM

I think you will end up opening up the concrete----I believe you will dislodge the metal threaded inserts when you drill out the the broken screw----I know you did not have this in your plans---but it happened---I would not trust an old clamping flange----failure will mean re doing the entire job---big risk to save a $35 part.


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