How To Make A Circular Hole In Sheet Metal

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.

How to make a circular hole in sheet metal. Rounding metal with the bevel heads from beveltools ensure a smooth and consistent rounded edge on sheet plate pipe and hole. For clean precise holes in thin sheet metal make a wood sandwich. In response to a question about h. The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal.

To drill a round hole in thin sheet metal take a piece of cloth for example an corner of an old tea towel cut into squares an old flannel or anything you don t mind cutting into squares and throwing in the bin once you have your nice round hole. Tap your hammer to leave an indentation on the sheet metal. 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. Use clamps to hold the sheet.

Typically the hole is large and the sheet metal won t fit on my cnc milling machine so i m left flailing. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. At first locate the center of the whole. The pilot hole will help you positioning the drill bit and than just drill.

How to cut a round hole in sheet metal. You can create the perfect uniform radius with these bevel heads. Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design. This is how easy it is to make a rounded edge on metal.

Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Place the die over the draw stud before inserting the stud through the pilot hole. For this step you ll need a compass ink and a center punch. Next use a.