20 gauge copper can be cut with heavy duty snips or sheet metal shears.
How do you cut copper sheets.
Then bend the sheet back and forth a few times to snap it.
Choose a saw with a tooth number of at least 24tip teeth per inch to ensure even cuts in the metal.
Begin cut with metal cutting sheer.
2 x research source.
Cut the copper sheet.
Snips work like scissors try to keep them straight perpendicular to the copper.
Proceed slowly and steadily in cutting taking care to try to complete individual lines of cut in one straight continuous action.
Put on a pair of work gloves before you wax the saw to protect your hands.
Debur the ends to make them smooth.
Work gloves must be worn during the cutting process as the cutting edge of the copper is very sharp.
The sheers handles are brought together to cut through the sheet.
Cut slowly and make straight lines in as continuous a motion as you can.
Once the copper sheet has been marked where it needs to be cut the sheers blades are positioned on each side of the sheet as would be regular scissors when cutting paper.
It s often used for various construction art and craft projects diy projects electrical applications research and development and much more.
You can use the same trick to cut metal studs.
You will have some extra sanding to do but snips work so much faster than saw and when you get good at it even faster.
If you have to tilt them you will get a slight extra impression right next to your cut from the snip blade because it will drag along the copper.
Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade.
Cutting straight lines with an electric saw.
Snip the two sides.
Do this for all of your cuts until you have freed your pattern from the copper sheet.
Preparing for the job step ii.
Using a metal cutting sheer begin to make the cuts along your marks.
Elevate and support one edge of sheet with free hand allowing entry point for cut enough clearance for metal cutting sheer to proceed.