Removing a stripped nut or bolt. If you have a bolt or nut that has the head stripped and can no longer grab it with a wrench or socket ,then the easy out type socket should help.These sockets are made just for Removing a stripped nut or bolt. There are a lot of company’s making these type of sockets and a wide range of prices.I have a Blue Point set from Snap On and a much cheaper set from Craftsman. Both work well. So if you need to remove a bolt or nut with a rounded head look for some type of easy out socket. Rounded nut or bolt removal tool.
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Most toilet pans and bidets require heavy duty fixings like anchor bolts or screws to hold them onto a tiled floor. How do you drill the tiles so that you can fix that pan down securely. 365Drills show the PORSADRILL diamond tile drilling system cutting PLUGS out of tiles so that the fixing can pass right though the tile. The point of this is that by missing the tile there is a less likely change of breaking the tile. By drilling a plug out of a tile you can have easy access to the hard concrete floor below or the wooden substructure. On a concrete floor if you have to drill it out then by having a wide hole in the tile means you wont hit it / split it with the hammer action drill. The tequnique also works if you have to put items down on areas like airport terminal tiled floors (example cash point machines) on shop floors. You name it if the floor is tiled then cut a plug out rather than a small hole.