Chop off nails and screws with cobolt or high leverage linesman pliers rated for bolt screw cutting. If that doesn t work or if it is a screw use a screw extractor.
If it is a bolt use a bolt extractor set which grabs on to stripped bolts.
How to get a nail out that is stripped. Try tightening and then loosening the screw. Cut through nail and bolt embedded lumber with a bimetal blade in a recip saw or a. First soak the screw with liquid wrench or wd40 and let it work for a few minutes.
Slightly more destructive than a screw extractor is to cut a notch into the stripped screw head with a rotary tool. Use the hammer to tap the screwdriver down into the screw head. Put your screwdriver over it and with the rubber band between the screw and the screwdriver push with heavy force and turn slowly.
With slow firm pressure extract the screw. Hammer method put the screwdriver into the stripped screw. Hammer the end of the screwdriver.
How to remove a stripped screw from wood. Place a rubber band over the stripped screw and firmly insert the screwdriver into the screw head. If that fails try one or more of these stripped screw removal tips.
The key to this method is to go as slow as possible. Using a rotary tool with a cutting wheel cut a single slot into the head of the stripped screw. Sometimes all you need is a bit more grip in the stripped screw head in order to extract it.
It s a novice carpenter s worst nightmare. Depending on how deep the screw is in the material the notch cut might damage the surrounding surface. However you are also the most likely to be in a situation where the damaged screw head is flush with or even under the surface of the wood.
When trying to get a stripped screw out of a piece of wood you can use pretty much any of the techniques below. If the screw is made of soft metal which is the kind most likely to become stripped in the first place grab your hammer. You re trying to tighten or remove a screw and you find the head is stripped.