Cutting Precision Holes In Light Sheet Metal

Thick using a ferrous metal cutting blade.

Cutting precision holes in light sheet metal.

Such as straight cut snips left cut the right cut etc. In response to a question about h. Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker. Measure from the edges of the sheet metal to the point at which you wish to place the hole.

For cutting out holes in sheet metal it s going to be necessary that you begin with a starter hole this can be formed by using the hammer and chisel method to punch through the metal. For clean precise holes in thin sheet metal make a wood sandwich. In this 2 part video tubalcain shows several different methods of cutting holes in sheet metal. In our test it cut through rebar like a hot knife through butter.

Punching is a metal cutting process used to create cutouts and holes of various shapes sizes and dimensions in a metal sheet. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. Open the snips all the way at the beginning of a cut and seat the sheet metal as deep as possible into the opening this provides you with maximum leverage. In small holes finger twist larger twist drill over the hole.

Apply a thin layer of paraffin or saw wax to the blade just enough to cover the surface before making any cuts in the metal. Part 2 of 2. Metal is difficult for saws to cut and rubbing wax along the blade helps prolong its sharpness. In larger holes use a deburring tool.

Wax your saw blade before cutting sheet metal. Tin snips or aviation snips are one of the most widely used tools to cut sheet metals. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. Cut metal with your circular saw.

Hot metal chips will fly everywhere. Some items cut clean and some create rough and sharp insides. 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. They look like scissors and work fine with sheet metals like brass aluminum tin steel etc.

Your hole burrs depend on your drill or cutter. Let s discover some awesome saws to cut a round hole in sheet metal. Smooth out the hole. You can cut mild steel up to about 3 8 in.

Knockout punches circle cutters are also pretty famous for creating holes in metal sheets.