>Plasma torch also would work very excellently if you have the grand to buy >one. I wish they were that cheap :) I have one that cuts up to 1" thick. It makes heat and smoke and the plasma stream is torch-flame like. I have a choice, and I choose to use a holesaw for making that particular hole in the van floor. I notch hundreds of pieces of metal tubing with holesaws. In my experience, bi-metal hole saws are all pretty much equivalent in quality and ease of cutting. Even if you wanted to buy a really good one for lots of money, it wouldn't work much better than a cheaper one. I used to buy lenox holesaws at about $10 each. They don't last any longer than the $6 no-name bimetal saw. The lenox are ground and are a little more accurate and are centered a bit better however. Like I said before, the teeth tear off before they get dull. And when it is that the teeth accidentally tear off, you can never know. |
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