Quote:
Originally Posted by Oil Doc
You asked about buying magnetic drain bolt...
if the bolt is long enough to get a few wraps of wire (22 ga is telephone wire) just wrap it around the bolt leaving a tail on each end and flash your battery with the ends.. it will magnetize whatever steel you have wrapped the wire around..
It is jst like making a coil.
Doc
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Cool little trick
How long will it stay magnetized, or do you have to do this every time you remove the bolt?