Removing stuck fasteners
m (Reverted edits by 87.101.244.6 (Talk); changed back to last version by 67.40.39.72) |
(→Tips for broken-off bolt heads) |
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*Try to saw a groove in it, so that a flat-head screwdriver can be used to turn it. Use an impact screwdriver if you have one, it will work a lot easier. | *Try to saw a groove in it, so that a flat-head screwdriver can be used to turn it. Use an impact screwdriver if you have one, it will work a lot easier. | ||
*Take a 12-point socket that is just larger than the shaft of the bolt, and beat it down onto the bolt with a hammer. Turn it out with a ratchet. When finished, put the socket in a vice, and tap out the broken bolt. | *Take a 12-point socket that is just larger than the shaft of the bolt, and beat it down onto the bolt with a hammer. Turn it out with a ratchet. When finished, put the socket in a vice, and tap out the broken bolt. | ||
− | *If a bolt is broken off below the surface, build it up with a welder until there is enough to which to weld a nut. If this | + | *If a bolt is broken off below the surface, build it up with a welder until there is enough to which to weld a nut. If this breaks off try it again, this method is the best, the heat and cool cycle of the tig weld will loosen the fastener in the stuck piece. |
I have also have had good luck by center punching the broken bolt and using a left hand drill bit about half the diameter of the bolt and as it is drilling most of the time the bit will bite and spin the broken bolt out. | I have also have had good luck by center punching the broken bolt and using a left hand drill bit about half the diameter of the bolt and as it is drilling most of the time the bit will bite and spin the broken bolt out. |