How To Best Make A 2 Hole In Sheet Metal

For clean precise holes in thin sheet metal make a wood sandwich.
How to best make a 2 hole in sheet metal. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. Now it s time to use that center punch. Use your center punch to strike at the center of the hole.
Tap your hammer to leave an indentation on the sheet metal. Blacksmithing for beginners cutting a square hole in sheet metal. This will create dimples in the sheet. Put your ink to the use and mark the hole center.
At first locate the center of the whole. 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. Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design. How to use chisels instead of files to cut a share hole for carriage bolts.
Next use a compass to outline the edge of the hole.