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I was cutting metal barn siding/roofing with this tool and what a blister saver. Used it on a cordless craftsman and also a dewalt corded drill cuts like butter. I would highly recommend it.
This is an awesome tool for me. It takes up little room in the van, connects to the drill easily (I've tried it on 2 types, both work great), and it does its job very well. I'm an HVAC tech that has to cut metal once in a while but not very often. I loathe using hand shears and that makes this a great tool for me.
I alternated using it between a Ryobi 18 volt battery powered electric drill and a Black & Decker 14.4 volt battery powered Fire Storm drill. The spindle has three flats which makes it easy to tighten the battery powered drill's keyless chuck around. The 3/4 inch high ribs were not a problem for the Turbo Shear attachment to cut through. The steel roofing panels were easily cut with the Malco TSHD attachment. I recently re-roofed my house in red metal.
One thing I noticed was that the bottom shear jaw would scratch the metal on it's side; however, by placing the cutter on the waste side, this was eliminated. The roof had several complex valleys where the metal needed to be cut at various angles. Both worked equally well. If you are installing metal roofing, this is a low-cost alternative to both a nibbler and power shear, plus with the freedom of going cordless.Buy it. The Turbo Shear attachment went through the 29 gauge steel like a knife through butter.
As I got into the project, It required a combination of turboshear, tin snips and attitude, due to multiple layers. I wanted to remove some ribbed metal roofing from the valleys on my house and replace it with flat metal. This didn't happen a lot. Occasionally if I used too much force trying to get into a tight area, the brackets would slip on the drill handle. I bought the turboshear hoping it would work as described. The turboshear could not cut multiple layers but was able to get into pretty tight spots. I definitely pushed the limits of the turboshear and was pleasantly surprised at how well it performed. It definitely made this project go a lot faster.
Not a perfect edge on the cut, but good enough for roofing products which I mostly do. These scissor type power shears work very well. Mostly I work with copper sheet metal so I prefer them to the double cut models which have a strip of waste product with each cut. Very beefy, not too heavy, looks like they will last forever. Previously I have always used hand snips for all long cuts, these shears save my arm from cramps.
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