Cut 4 Inch Hole In Sheet Metal

In response to a question about h.

Cut 4 inch hole in sheet metal.

Metal cutting hole saws are typically available in 3 4 inch to 6 inches in size and. Use your center punch to strike at the center of the hole. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface.

Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker. The steel hole saw can drill almost 2 in. Next use a compass to outline the edge of the hole. 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.

Bi metal hole saw 49 56 9647 steel hole saw cut holes from the home depot. For large holes a hole saw gets the job done cleanly and quickly. 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. Now it s time to use that center punch.

Place the tips of. Step 1 create a paper pattern of the size and shape of hole you wish to cut. Find the milwaukee 4 1 4 in. Bi metal hole saw to cut holes in a variety of materials.

Put your ink to the use and mark the hole center. This will create dimples in the sheet. Measure from the edges of the sheet metal to the point at which you wish to place the hole. 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. At first locate the center of the whole.