How to Loosen Nuts and Bolts

Encountering stuck nuts and bolts can be a frustrating problem in the workshop. Here's what you can do.
penetrating oil loosens stuck nuts and bolts

penetrating oil loosens stuck nuts and bolts

Figure A

Related To:

Try Penetrating Oil

Spray the nut with penetrating oil and let the oil sit for 10 to 15 minutes to penetrate the threads of the bolt. Then use a wrench to try and loosen the nut.

Use Two Hammers

use two hammers to loosen nut

use two hammers to loosen nut

Figure B

Hold a hammer against one side of the nut, and hit the other side with a second hammer. That might loosen the nut so that a wrench can remove it.

Try a Hacksaw

saw through one side of rusted nut with hacksaw

saw through one side of rusted nut with hacksaw

Figure C

If the nut is badly rusted, pour hydrogen peroxide on it to dissolve the rust. If that doesn't work, saw through one side of the nut with a hacksaw. Then loosen the nut by twisting it with an adjustable wrench.

Cut a Groove

use hacksaw to cut groove for flathead screwdriver

use hacksaw to cut groove for flathead screwdriver

Figure D

If the head of the bolt is buried in your work piece, use a hacksaw to cut a groove in the top of the bolt. Stick the end of a screwdriver into the groove to hold the bolt steady while you loosen the nut.

Try a Nut-Splitter

try a nut splitter to remove nut from bolt

try a nut splitter to remove nut from bolt

Figure G

A nut-splitter is a handy tool to remove nuts. It has a chisel inside its head that is screwed into the nut to pop it off.

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