Six corners screw hole, there deformation, turn the six corners shape to round, how to take it out?
1. pliers with pliers out of the outer circle, the general thread, left out, right-handed.2. with a flat shovel or a screwdriver in the square hole play can get stuck in the wrench. Then use the wrench screw out.3. use the hammer to press the flat shovel or the screwdriver, so that the edge of the blade is inclined to the cutting screw, and the tap is screwed out.4. hand drill diameter smaller than the bottom of the use of screw drill, the screw drill out, and then from the drill hole, tapping.5., if the screw is not an entity, the screw head will be knocked out directly, and then you can go down.
Screw must be useless, you have to buy, and later in the screw, the board pressure in the end, compacted in the rotation. It will soon be bad again. I hope I can help you, the actual operation of the old look at your tricks.
