The steel hole saw can drill almost 2 in.
Cut 4 inch hole in sheet metal.
Metal cutting hole saws are typically available in 3 4 inch to 6 inches in size and.
Now it s time to use that center punch.
Next use a compass to outline the edge of the hole.
For large holes a hole saw gets the job done cleanly and quickly.
At first locate the center of the whole.
Use the milwaukee 4 in.
The pilot hole will help you positioning the drill bit and than just drill.
In response to a question about h.
This will create dimples in the sheet.
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.
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.
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.
Find the milwaukee 4 1 4 in.
Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface.
In contrast to how twist and step drill bits operate hole saws work by cutting out the edges of an opening.
Measure from the edges of the sheet metal to the point at which you wish to place the hole.
Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel.
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 to cut holes in a variety of materials.