Quote:
Originally Posted by Family 40's
Not sure what I will use but the air nibbler is a tool I have never seen, Thanks for all the input.
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Ingersoll Rand Air Nibbler — 4 CFM, 3200 RPM, Model# 325 | Air Nibblers | Northern Tool + Equipment
is the one I have. They remove small half moon shaped nibbles of sheet metal about 1/4" across. They can easily follow a line or straight edge, but they need around 3/32" clearance all around the nibble and about 1/2" below. They don't like transitioning over a sharply folded spot in the metal. Gentle curves are no problem.