How To Cut A 1 Inch Hole In Sheet Metal

Next use a compass to outline the edge of the hole.

How to cut a 1 inch hole in sheet metal. Now drill the final hole at the desired diameter with the corresponding twisted drill bit but put a cloth between the bit and the metal. Then bend the sheet back and forth a few times to snap it. Place the tips of. Now it s time to use that center punch.

Clamp or hold a straightedge or square along the cutting marks and score a line with the tip of a sharp utility knife blade. Put your ink to the use and mark the hole center. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. 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.

You can use the same trick to cut metal studs. The pilot hole will help you positioning the drill bit and than just drill. Snip the two sides. Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel.

Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design. In response to a question about h. For large holes a hole saw gets the job done cleanly and quickly. This will create dimples in the sheet.

Then create a pilot hole within the penciled circle using a power drill fitted with a 1 2 inch or greater metal cutting bit in order to accommodate the jaws of the tin snips. In contrast to how twist and step drill bits operate hole saws work by cutting out the edges of an opening. Use your center punch to strike at the center of the hole. Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface.