You can use barkeepers powdered cleaner bon ami is similar or if you want to go all natural baking soda lemon juice and dish liquid work pretty good.
Best way to cut circle in sheet metal.
It s meant for creating lightening holes of the type seen when building aircraft or maybe just toolboxes and furniture that are built like wwii fighter planes.
Such as straight cut snips left cut the right cut etc.
There are some cuts that you can do with decent tin snips.
Hold the snips loose in your hand and place the two blades around the edge that you d like to cut.
Metal sheet nibbler cutter double head with circle cutting accessories drill attachment with wrench parts hole straight curve circle cutting metal shears 4 3 out of 5 stars 4 29 99 29.
This will not only brace it to keep it in place but you ll be able to pull it up as you cut.
Tin snips or aviation snips are one of the most widely used tools to cut sheet metals.
Draw your shapes you want to cut onto copper with pencil or a sharpie marker.
Be that as it may here is a neat idea from flyboy accessories for cutting larger holes in sheet metal.
When drilling or punching a hole in sheet metal you more or less cut out the entire hole at once.
Straight cutting compound snips work best for cutting thick or doubled up sheet metal.
Hold the side of the metal sheet and put your snips around the edge.
In response to a question about h.
There are two ways to cut round ducts.
When cutting out a circle one or sometimes two cutting tools are rotated about a center point to.
They look like scissors and work fine with sheet metals like brass aluminum tin steel etc.
They don t cut curves well.
I guess i ve got holes on the brain lately as i am finishing up the hole wizard for the g wizard conversational cnc product.