Best Way To Cut Round Holes In Sheet Metal

Measure from the edges of the sheet metal to the point at which you.
Best way to cut round holes in sheet metal. Straight cutting compound snips work best for cutting thick or doubled up sheet metal. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct. When drilling or punching a hole in sheet metal you more or less cut out the entire hole at once. How to cut holes in corrugated steel.
In response to a question about h. Cut metal with your circular saw. With this tool you stick an endmill in a die grinder put the grinder in the little fixture so it can pivot drill yourself a pilot hole for the pivot and away you go. This will create dimples in the sheet.
At first locate the center of the whole. You can cut mild steel up to about 3 8 in. Now it s time to use that center punch. Create a paper pattern of the size and shape of hole you wish to cut.
Next use a compass to outline the edge of the hole. Hot metal chips will fly everywhere. Put your ink to the use and mark the hole center. The beveltools beveling machines are ergonomic making it easy to get them to the metal.
As a result rounding small openings from a diameter of 5 8 16 mm becomes child s play. There are two ways to cut round ducts. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. Punch a hole through the metal using a cold chisel and mallet or drill through with a heavy duty drill.
Use your center punch to strike at the center of the hole. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. Thick using a ferrous metal cutting blade. The compact design of the beveltools concepts introduces unprecedented flexibility in rounding metal pipes and sheets.
In our test it cut through rebar like a hot knife through butter. They don t cut curves well.