Cut 4 Inch Hole In Sheet Metal

Measure from the edges of the sheet metal to the point at which you wish to place the hole.

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. This will create dimples in the sheet. 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 the milwaukee 4 in. Step 1 create a paper pattern of the size and shape of hole you wish to cut. The pilot hole will help you positioning the drill bit and than just drill. Position the pattern on the sheet metal where the hole needs to go and draw a line around it using a permanent marker.

Now it s time to use that center punch. Bi metal hole saw 49 56 9647 steel hole saw cut holes from the home depot. Use your center punch to strike at the center 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.

For large holes a hole saw gets the job done cleanly and quickly. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel. The steel hole saw can drill almost 2 in.

Milwaukee ice hardened products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Place the tips of. 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. At first locate the center of the whole.

Bi metal hole saw to cut holes in a variety of materials. Put your ink to the use and mark the hole center.