How To Cut A Round Hole In Sheet Metal

Next use a compass to outline the edge of the hole.

How to cut a round hole in sheet metal. Now it s time to use that center punch. How to cut holes in corrugated steel. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct. Create a paper pattern of the size and shape of hole you wish to cut.

This will create dimples in the sheet. Punch a hole through the metal using a cold chisel and mallet or drill through with a heavy duty drill. At first locate the center of the whole. Put your ink to the use and mark the hole center.

Depending on the tools you have you ll now need to punch or drill a hole where the indentation has been made to produce an accurate hole in your sheet metal. You ll need a drill sheet metal snips a start collar. Measure from the edges of the sheet metal to the point at which you. Use your center punch to strike at the center of the hole.