Graphical Construction Glossary >> General Construction. >> Power Tools >> Sheet Metal Nibbler

makita power shears Sheet Metal Nibbler An electric tool for cutting sheet metal. Used commonly for cutting metal roof sheets and flashings and sheet metal work in general. It works by taking small bites of the material at a time. Power Shears An electric tool for cutting sheet metal. Used commonly for cutting metal roof sheets and flashings and sheet metal work in general. It works by taking a continuous 6mm strip of metal along the cut line leaving two usable pieces. Power Snips An electric tool for cutting sheet metal. Used commonly for cutting metal roof sheets and flashings and sheet metal work in general. It mimics the action of hand tin snips.

These machines work with a reciprocating action and this particular tool called a Power Shears, is used mainly for cutting flat material, although it can handle cutting across low profiles. One of it's main advantages is that it conserves material.shears Makita here is very little waste and both cut parts can be used, unlike the Power Snips below.

Here is a close up of the business end of the shears. As you can see it is similar to some tin snips, in that it takes a narrow band of material out of the cut, but it leaves both side of the cut straight. This action make the tool very fast in longer cuts.Hitachis nibbler and the moving part in the middle of them is the shear.

This particular style takes small crescent shaped slice out of the material. It is designed for cutting arcs and circles and it can also cut straight though deeper roofing profiles the the shears above.It is slower in cutting, but proffessonal roofers seem to get the things cutting quite fast enough in straight lines also.


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I found this on the web.
My clock doesn’t synchronize at all.
Most WWVB radio controlled clocks work great, as evidenced by the hundreds of thousands of units that have been sold throughout the United States. However, if your radio clock or receiver isn't working, we suggest:
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Taylor Pneumatic Taylor Pneumatic: Scissor Shear: RPM: 2500. Air Pressure: 90 PSI Max. Rear Exhaust
Home Improvement (Taylor Pneumatic)
  • RPM: 2500. Length: 12-1/2 . Weight: 3 lbs. Air Pressure: 90 PSI Max. Rear Exhaust.
  • Lightweight aluminum housing. Leaves a clean edge. Light and powerful. Powerful.
  • Cuts hard to cut steel siding. Also flexible plastic, rubber and wire mesh.

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  • Avatar tomASS What's the best way to cut metal siding?
    Mar 25, 2011 by tomASS | Posted in Do It Yourself (DIY)

    I have a metal shed and I got some free metal siding, the wavy type that's on pole barns and such. What's the best way to cut it without have any fancy tools that a contractor would have? I have a circular saw, jig saw, sawzall, tin snips and any basic types of tools really that normal people would have.
    Best answer that seems to work best gets the points. Thanks!

    • Use a circular saw with an abrasive metal cutting blade.

      Or use the circular saw with a plywood blade turned backwards.

      Cut from the flatter side of the siding. Don't push too hard on the …hods leave a very rough edge and both are very loud. You will want to wear earplugs or muffs!

      I have been cutting siding like this for nearly 40 years. There are better ways, but this is pretty effective.