How To Cut A Round Hole In Metal Sheet

You can cut mild steel up to about 3 8 in.

How to cut a round hole in metal sheet. Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker. Now it s time to use that center punch. Thick using a ferrous metal cutting blade. This is how easy it is to make a rounded edge on metal.

Next use a compass to outline the edge of the hole. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. You can create the perfect uniform radius with these bevel heads.

You ll need a drill sheet metal snips a start collar. Rounding metal with the bevel heads from beveltools ensure a smooth and consistent rounded edge on sheet plate pipe and hole. Tap your hammer to leave an indentation on the sheet metal. Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface.

This will create dimples in the sheet. Hot metal chips will fly. Hole saws cut bigger holes for large holes a hole saw gets the job done cleanly and quickly. In our test it cut through rebar like a hot knife through butter.

Use your center punch to strike at the center of the hole. Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design. Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel. Put your ink to the use and mark the hole center.

Cut metal with your circular saw. When drilling or punching a hole in sheet metal you more or less cut out the entire hole at once. Step 1 create a paper pattern of the size and shape of hole you wish to cut. 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.