Not very common. If screws are irritating your sciatic nerve, however, they may need to be removed.
Ratchets are used to prevent extra pressure on the screw in the screw gauge.
When screws become loose after back surgery you will need to go to the doctor immediately for another surgery. A screw fusion operation will fix the loose screws.
it honestly doesn't matter because if it dose the doctor's remove it and fill it in with a special type of cement
To remove a stripped screw effectively, you can try using a rubber band, a screw extractor tool, or a rotary tool with a cutting wheel. Place the rubber band over the screw head to provide extra grip, use the screw extractor tool to grip and turn the screw, or carefully cut a new slot with the rotary tool to turn the screw out.
of course it is the iron screw because it is made up of minerals that rust faster then metal
To fix a stripped allen screw, you can try using a rubber band or a piece of steel wool to provide extra grip. Alternatively, you can use a screw extractor tool to remove the stripped screw. If these methods don't work, you may need to drill out the screw and replace it with a new one.
because it has a smooth slanted surface that is horizontal.
Yes because you twist the screw and with a wheel you also twist it
Because screw you that's why!
Historians do not really know how or why the screw was invented. This is because the use of screws predates our records.
It is just simply a screw, because that is one of the simple machines.
No because a screw is has a top and a winding bottom and a coil does not have a top and has a winding bottom so no a coil is not a simple machine screw.