Cut 4 Inch Hole In Sheet Metal

Place the tips of.

Cut 4 inch hole in sheet metal.

Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface. Step 1 create a paper pattern of the size and shape of hole you wish to cut. Now it s time to use that center punch. Put your ink to the use and mark the hole center.

Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker. Bi metal hole saw to cut holes in a variety of materials. In response to a question about h. Next use a compass to outline the edge of the hole.

The pilot hole will help you positioning the drill bit and than just drill. In contrast to how twist and step drill bits operate hole saws work by cutting out the edges of an opening. 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. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions.

Find the milwaukee 4 1 4 in. The steel hole saw can drill almost 2 in. At first locate the center of the whole. For large holes a hole saw gets the job done cleanly and quickly.

Use the milwaukee 4 in. Measure from the edges of the sheet metal to the point at which you wish to place the hole. This will create dimples in the sheet. Milwaukee ice hardened products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes.

Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel. Bi metal hole saw 49 56 9647 steel hole saw cut holes from the home depot.