Cutting Holes In Thin Sheet Metal

For this step you ll need a compass ink and a center punch.

Cutting holes in thin sheet metal.

How to cut a round hole in sheet metal. Start the curved cut by nibbling at the gash left by the screwdriver with the tip of offset compound snips until you can slip the lower blade under the metal. When cutting out a circle one or sometimes two cutting tools are rotated about a center point to. At first locate the center of the.

There are three tools that kevin caron uses a lot to get a precise cut from a thin piece of metal. You can cut mild steel up to about 3 8 in. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. Sheet metal drills a pdf drilling holes in thin sheetmetal have you ever tried to drill holes in thin sheet metal using standard drills and ending up with a ragged triangular shaped hole not anywhere near the diameter you wanted and perhaps requiring a trip the medicine cabinet for a band aid.

Then cut a gradual curve until you reach the curved line. For clean precise holes in thin sheet metal make a wood sandwich. If possible secure the work piece to the machine bed or suitable piece of wood or proceed with extreme caution if you. 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. Guide the top blade of your snips along the line to complete the cutout. Use clamps to hold the sheet. Thick using a ferrous metal cutting blade.

In our test it cut through rebar like a hot knife through butter. 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. Follow few steps step 1. Cut metal with your circular saw.

Don t say that you were thinking of holding that metal sheet with bare hands. Hot metal chips will fly everywhere. Https amzn to 2mkd0sj large screw driver. Https amzn to 2ndf97w the best tin aviation snips.

Drill a small pilot hole in the required location 3mmø with the drill spindle stopped locate the folded cloth centrally over the hole and fit the large. Https amzn to 2kstzae sheet metal hammer.