How to Remove Rusty Screws
If progress has ever slowed on one of your projects because of a rusted screw that wouldn't come out, then you know how frustrating it can be. All the planning for time and materials goes right out the window while you fuss and fight with the stubborn screw. Next time this happens, use one of the proven methods that professionals use for removing rusty screws. Does this Spark an idea?
Things You'll Need
- Screwdriver
- Liquid penetrant, Liquid Wrench or similar
- Electric drill and bits
- Valve lapping compound
- Hammer
- Cigar lighting torch
Instructions
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1
Make sure you are using the right size screwdriver for the screw you are removing. A screwdriver that is too small, for instance, will not generate enough torque before it slips off the screw.
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2
Spray the threads of the screw you can get to liberally with some liquid penetrant. Allow the penetrant to work for at least 15 minutes before continuing. If possible, drill a hole next to the screw to allow you to spray penetrant on the threads on the other side.
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3
Dip the tip of the screwdriver in some valve lapping compound. This abrasive material will give the screwdriver more traction and bite on the screw head.
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4
Use the cigar lighting torch to heat up the material in which the screw is stuck. Try not to heat the screw itself; you are attempting to expand the material around it so as to release the screw.
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5
Set the screwdriver into the screw, and strike the back of the screwdriver firmly with a hammer to loosen the screw and knock off the rust and corrosion.
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6
Try turning the screw clockwise (tighten) first, then backing it out counterclockwise. The screw will often turn this direction, and then you can gain a little momentum to go back the other way.
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