Use your center punch to strike at the center of the hole.
Cut 6 hole in sheet metal.
Metal cutting hole saws are typically available in 3 4 inch to 6 inches in size and feature a sawtooth tipped cylinder with a pilot drill bit at its center.
Depending on the tools you have you ll now need to punch or drill a hole where the indentation has been made to produce an accurate hole in your sheet metal.
The milwaukee 6 in.
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.
At first locate the center of the whole.
Hole dozer hole saw features rip guard teeth that were built with more steel behind the cutting edge for added strength.
Https amzn to 2mkd0sj large screw driver.
Https amzn to 2ndf97w the best tin aviation snips.
Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design.
Https amzn to 2kstzae sheet metal hammer.
Tap your hammer to leave an indentation on the sheet metal.
Next use a compass to outline the edge of the hole.
Then create a pilot hole within the penciled circle using a power drill.
If your project requires cutting a hole in the center of sheet metal draw it on the metal as you would any other cut line.
Put your ink to the use and mark the hole center.
While some holes in sheet metal.
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.
They give you increased productivity on the job site as well as better hole quality and are backed by a limited lifetime tooth break warranty.