How To Cut A Round Hole In Sheet Metal Duct

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How to cut a round hole in sheet metal duct.

This video will show you how to actually cut a round hole in the piece of duct your are installing. How to cut round ductwork to size with tin snips. Pound on the back of the screwdriver with a hammer to puncture the metal and create an opening for the tin snips. You ll need a drill sheet metal snips a start collar.

Then you just sight on the far mark while you make the cut. When cutting pipe bob likes to mark the size he needs on each side of the open seam with a marker. Punch a starter hole in the metal with the blade of a straight screwdriver and a hammer large enough to fit the tip of the compound. 51 mm to 305 mm holes in up to 24 gauge steel and 26 gauge stainless steel.

Make two marks for cutting when replacing ductwork. Inch and centimeter measurement scales are molded into the body for accurate hole diameters. Https amzn to 2kstzae sheet metal hammer. Visit my video on how to use tin snips to really become.

Mark the cut line or area on sheet metal with a felt tip marker. Use curve cutting snips to cut circles. Making a circular cutout in a duct is simple using the techniques shown in photos 5 and 6. Punch a starter hole for a circular cutout with a straight blade screwdriver.

Https amzn to 2mkd0sj large screw driver. Amazon link to great products that every diyer and handyman should know about. This versatile hole cutter installs into standard electric drill chucks. Https amzn to 2ndf97w the best tin aviation snips.

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