How To Drill Hole In A Metal Sheet

It s not as effective but much simpler.

How to drill hole in a metal sheet.

Always use a clamp or three. The right shows the finished hole. Using a black marker pen mark where you want to start drilling. The cloth prevents the drill bit to dig into the metal without the need of changing the rake angle.

The center is about half way through the 050 thickness with the point already through the material. For clean precise holes in thin sheet metal make a wood sandwich. You could also make a small dent using a hammer and. The pilot hole will help you positioning the drill bit and than just drill as usual.

Never ever hold a sheet metal workpiece in your hands when drilling and always. 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. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.

Your first step should always be to locate the centers of all the holes you will need to. The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal. At the left is the hole just started and starting to drill some of the diameter. Sheet metal drills a pdf test drill a hole.

Drill a small pilot hole in the required location 3mmø with the drill spindle stopped locate the folded cloth centrally over the hole and fit the large diameter drill to the machine no need to use further pilot holes if you use the correct speeds and feeds. You ll need to start by securing your metal sheet in place before. How to drill a hole in metal with a rotary drill kit this process is just like piercing a hole in metal.