The punch is then.
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.
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 clean precise holes in thin sheet metal make a wood sandwich.
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.
At first locate the center of the whole.
Place the die over the draw stud before inserting the stud through the pilot hole.
This is how easy it is to make a rounded edge on metal.
Use clamps to hold the sheet.
You can create the perfect uniform radius with these bevel heads.
Next use a.
The pilot hole will help you positioning the drill bit and than just drill.
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.
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.
Tap your hammer to leave an indentation on the sheet metal.
Typically the hole is large and the sheet metal won t fit on my cnc milling machine so i m left flailing.
Rounding metal with the bevel heads from beveltools ensure a smooth and consistent rounded edge on sheet plate pipe and hole.
For this step you ll need a compass ink and a center punch.
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.
Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design.
How to cut a round hole in sheet metal.