How To Best Make A 2 Hole In Sheet Metal

Blacksmithing for beginners cutting a square hole in sheet metal.

How to best make a 2 hole in sheet metal.

Put your ink to the use and mark the hole center. Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. How to use chisels instead of files to cut a share hole for carriage bolts.

To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. For clean precise holes in thin sheet metal make a wood sandwich. Use your center punch to strike at the center of the hole. 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 compass to outline the edge of the hole. At first locate the center of the whole. Now it s time to use that 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.

Tap your hammer to leave an indentation on the sheet metal.