How To Make A Circular Hole In Sheet Metal

The punch is then.

How to make a circular hole in sheet metal. The pilot hole will help you positioning the drill bit and than just drill. This is how easy it is to make a rounded edge on 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. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.

Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. For this step you ll need a compass ink and a center punch. At first locate the center of the whole.

In response to a question about h. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Typically the hole is large and the sheet metal won t fit on my cnc milling machine so i m left flailing. 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.

Rounding metal with the bevel heads from beveltools ensure a smooth and consistent rounded edge on sheet plate pipe and hole. You can create the perfect uniform radius with these bevel heads. How to cut a round hole in sheet metal. Use clamps to hold the sheet.

Tap your hammer to leave an indentation on the 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. Next use a. Place the die over the draw stud before inserting the stud through the pilot hole.