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Old August 18, 2012, 04:26 AM   #6
impalacustom
Senior Member
 
Join Date: January 26, 2009
Posts: 469
A solder iron won't even phase the steel, to anneal steel you have to get it cherry red and very slowly cool it.

You might try a straight flute carbide tipped drill, if that won't cut it nothing will.
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