How To Make A Circular Hole In Sheet Metal

Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions.

How to make a circular hole in sheet metal.

To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. 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. For clean precise holes in thin sheet metal make a wood sandwich. Place the die over the draw stud before inserting the stud through the pilot hole.

At first locate the center of the whole. 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. For this step you ll need a compass ink and a center punch.

Now drill the final hole at the desired diameter with the corresponding twisted drill bit but put a cloth between the bit and the metal. In response to a question about h. How to cut a round hole in sheet metal. This is how easy it is to make a rounded edge on metal.

Tap your hammer to leave an indentation on the sheet metal. Next use a. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. Use clamps to hold the sheet.

Rounding metal with the bevel heads from beveltools ensure a smooth and consistent rounded edge on sheet plate pipe and hole. The punch is then. Typically the hole is large and the sheet metal won t fit on my cnc milling machine so i m left flailing. You can create the perfect uniform radius with these bevel heads.