Cut 4 Inch Hole In Sheet Metal

In contrast to how twist and step drill bits operate hole saws work by cutting out the edges of an opening.

Cut 4 inch hole in sheet metal.

At first locate the center of the whole. Use your center punch to strike at the center of the hole. Milwaukee ice hardened products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Put your ink to the use and mark the hole center.

Next use a compass to outline the edge of the hole. 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. Use the milwaukee 4 in. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions.

Measure from the edges of the sheet metal to the point at which you wish to place the hole. Place the tips of. Bi metal hole saw 49 56 9647 steel hole saw cut holes from the home depot. Step 1 create a paper pattern of the size and shape of hole you wish to cut.

The steel hole saw can drill almost 2 in. This will create dimples in the sheet. For large holes a hole saw gets the job done cleanly and quickly. The pilot hole will help you positioning the drill bit and than just drill.

Bi metal hole saw to cut holes in a variety of materials. Now it s time to use that center punch. 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. Find the milwaukee 4 1 4 in.

Metal cutting hole saws are typically available in 3 4 inch to 6 inches in size and. Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface.