Making A Sqaure Hole Sheet Metal

Next use a compass to outline the edge of the hole.

Making a sqaure hole sheet metal.

This will create dimples in the sheet. How to make a square hole without using special tools. Use your center punch to strike at the center of the hole. Use a hydraulic press to gradually and smoothly increase pressure until the broach is forced through.

Now it s time to use that center punch. Go slow and drill a smaller hole first ti guide the bigger rill bit. If the hole is a lot bigger then your biggest drill bit then drilling holes round the edge of the square and then connecting them with a saw is the best way for you. Drill a hole in the metal close to but smaller than the finished hole size.

How to use chisels instead of files to cut a share hole for carriage bolts. Put your ink to the use and mark the hole center. At first locate the center of the whole. Blacksmithing for beginners cutting a square hole in sheet metal.