How To Cut A Round Hole In Thin Sheet Metal

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

How to cut a round hole in thin sheet metal.

Now it s time to use that center punch. In response to a question about h. These problems are common for those of us who don t work with sheet metal every day. Cutting sheet metal with snips can be tricky and frustrating.

This will create dimples in the sheet. The edges are sharp the cutoffs are stiff and get in the way the snips bind or you just can t seem to negotiate the curve. Put your ink to the use and mark the hole center. 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.

At first locate the center of the whole. When drilling or punching a hole in sheet metal you more or less cut out the entire hole at once. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. But you don t have to be a tinsmith to cut sheet metal successfully.

Use your center punch to strike at the center of the hole. When cutting out a circle one or sometimes two cutting tools are rotated about a center point to.