The problem of the lapped faces of a screw for a Phillips screwdriver has long been known to everyone. There are few solutions to how to get out of this situation and remove a broken screw. I will only offer you seven that I personally had to use.
How to unscrew a lapped screw?
Unfortunately, there is no almost universal solution. And each presented method is good for its situation. Therefore, everything is known in comparison and applied to a specific individual situation and its own screw.
The first method: we use a plait
You will need a piece of thick rubber. This can be a piece of a medical tourniquet, a piece of a camera from a bicycle, or the like. The denser and stiffer the material, the greater the twisting force that can be created.
Berm screwdriver as close as possible to the screw groove.
We take a tourniquet.
We put the tourniquet under the screwdriver or bit and insert it all into the mucous head. Next, with simultaneous pressure and rotational movement, we try to unscrew the screw.
Properly applied force, you can unscrew the screw with a significantly screwed-in force.
Second way: how to unscrew a screw with an impact screwdriver
If you have an impact driver (or ask your friend), you can use it.
Of course, the whole screw cannot be unscrewed, but it is possible to loosen the connection substantially, and then we use an ordinary screwdriver.
The third way: we use a special bit for bolts with sharpened crosses
Since the problem of lapped faces is not new, ready-made solutions have long been on the market. For example, a special bit for unscrewing mucous bolts.
We insert it into a screwdriver or screwdriver and unscrew it. Sharp edges at the right angle perfectly engage and the screw lends itself to rotation.
Fourth Method: Extractor
An extractor is a special tool designed to repair broken screws, studs, bolts and the like. It works the same as the bits in the example above, but with a slight difference.
We insert the nozzle into the screwdriver and unscrew. You may need to first pick up the extractor in the recess, as the diameters of the heads are different.
Fifth method: twist left drill
On sale, in addition to all of us familiar drills, there are also drills with the left-hand spiral path. Such a drill can well be used as a tool for unscrewing a broken screw.
Sixth method: use the core
This method is well suited for loosening small screws. We take the core, rest it on the edge of the cap at an angle of about 45 degrees and gently hit the hammer in the direction of rotation of the cap.
The core, in view of its sharpness, has good engagement, in view of which the screw is more likely to succumb to unscrewing.
Seventh method: take a hammer and a chisel
The method has become classic, but using it for small screws is problematic. We take a chisel or chisel, remove the tip with the tip on the side of the cap and gently hit the turn of the screw. The main thing here is to move the cap from its place, and as it seems, unscrewing can be continued with pliers.
Friends, it will be very cool if you share your ways how to get out of such a life situation. Thanks for your attention!
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