How To Drill A Hole In Thin Sheet Metal

Place the die over the draw stud before inserting the stud through the pilot hole.

How to drill a hole in thin sheet metal. Compare the two holes above in a piece of 050 thk. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. Old machinist trick i use when i need to drill a big hole in some thin sheet metal. For clean precise holes in thin sheet metal make a wood sandwich.

Amazon affiliate links listed below. The pilot hole will help you positioning the drill bit and than just drill. Drilling holes in thin sheetmetal have you ever tried to drill holes in thin sheet metal using standard drills and ending up with a ragged triangular shaped hole not anywhere near the diameter you wanted and perhaps requiring a trip the medicine cabinet for a band aid. Have you ever had to drill through metal.

Make a dimple drill bits can be reluctant about metal. The punch is then. 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. For the cleanest hole clamp a second piece on top of the metal making a sacrificial sandwich.

It works every time rasmus laursen. I saw this one about fifty years ago. 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. Here is a quick and efficient way of how to get the job done.

With the help of a piece of cloth and modulation of drill speed you can machine out perfectly round holes on metal. When drilling thin sheet metal clamp the metal over a piece of sacrificial plywood or other flat sheet good like mdf or particleboard to help prevent the bit from tearing up the hole. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Many thanks to the video creator rasmus laursen.

Just fold the cloth a few times and power on at low speed. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.