Missing backbox threaded tag

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One of my socket backboxes (plaster box) has the threaded tag missing so i cant screw one side of it back to the wall.....Changing the backbox isnt an option as its been tiled in, and i dont want to damage any tiles.....have any of you learned chaps got any tips or tricks to get round it.....
 
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I normally pinch one from another box and fit that.

If for some reason you cannot do this then mt next trick is to drill a 3mm in the back of the box and use the threading tool t thread it then use a long screw.

Martin
 
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And if neither of those methods work, drill through the back of the box and fit a 60mm+ No6 domed head wood screw and plastic plug.

60mm? Could you show me a pic, I am unfamiliar with this method and would like to add it to my arsenal of get out of jail methods. Do you mean a mirror screw?

Martin
 
a long 3.5mm box screw will thread ( just about ) into a yellow wall plug if it's a good make with lots of meat in it ( not the cheap "tri-plug" crap that they sell at some wholesalers.. )
 
My bad.. :oops:

I only just realised we are discussing plaster board back box, not metal ones.

Martin
 
Sorry if i have mislead you chaps, I call it a plaster box, But meant to say its a metal back box as in a sunken into the wall/plaster. took holmsaws advice and drilled through the box and used a yellow plug and a long screw.....sorted, CHEERS CHAPS :D
 
Does that work, depending on what side of socket, a normal screw usually sticks out as well as looking cack and the plug will not fit flush.
can you post a pic of it.
 
Does that work, depending on what side of socket, a normal screw usually sticks out as well as looking cack and the plug will not fit flush.
can you post a pic of it.

Rocky it's a standard 3.5mm face plate screw which is over length, say 50mm in a 35mm box. The plug will take about 10mm of screw taking in a modest 5mm socket face depth.

The 10mm is enough to bite inside the yellow plg and thus allow the socket or fitting to fix.
 

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