Best Way To Cut A Circle In Sheet Metal

Thick using a ferrous metal cutting blade.

Best way to cut a circle in sheet metal.

First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. Hold the side of the metal sheet and put your snips around the edge. When drilling or punching a hole in sheet metal you more or less cut out the entire hole at once. And the most frequently used tool in this regard is the best quality electric nibblers.

Cut metal with your circular saw. When cutting out a circle one or sometimes two cutting tools are rotated about a center point to. This will not only brace it to keep it in place but you ll be able to pull it up as you cut. Hold the snips loose in your hand and place the two blades around the edge that you d like to cut.

This video will show you how to actually cut a round hole in the piece of duct your are installing. The best tool to cut sheet metal is an electric nibbler tool it cuts corrugated iron sheet metal and even metal car panels easily. A tool like a nibbler is fast and easy to maneuver around to cut circles corners and angles in sheet metal work with out jamming like electric shears or tin snips would. Straight cutting compound snips work best for cutting thick or doubled up sheet metal.

In our test it cut through rebar like a hot knife through butter. You can cut mild steel up to about 3 8 in. An electric nibbler is what a professional roofer would use it punches its way through the metal in a fast and tidy way to leave a clean cut. Hot metal chips will fly everywhere.

Electric nibblers can be used both as an electronic tool and a stand alone air tool. Metal sheet nibbler cutter double head with circle cutting accessories drill attachment with wrench parts hole straight curve circle cutting metal shears 4 3 out of 5 stars 4 29 99 29. Power slicing is one advanced and effective way to cut items from sheet metal. They don t cut curves well.

A nibbler is the best way to cut metal roofing a nibbler unlike electric shares a nibbler can be moved more easily to cut around corners quickly and easily without jamming. Use your nondominant hand to hold the side of the metal. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.