How To Drill Hole In Metal Sheet

Using a black marker pen mark where you want to start drilling.

How to drill hole in metal sheet. Or maybe they re just distracted or they lack motivation. Twist drills are great. Your first step should always be to locate the centers of all the holes you will need to. At the lower right.

Now it s time to use that center punch. Drill bits can be reluctant about metal. Always use a clamp or three. 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. How to work with sheet metal step 1. You could also make a small dent using a hammer and. Sheet metal drills a pdf test drill a hole.

The cloth prevents the drill bit to dig into the metal without the need of changing the rake angle. How to drill a hole in metal with a rotary drill kit this process is just like piercing a hole in metal. The right shows the finished hole. Never ever hold a sheet metal workpiece in your hands when drilling and always.

Use a sacrificial board. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. The pilot hole will help you positioning the drill bit and than just drill as usual. At the left is the hole just started and starting to drill some of the diameter.

Next use a compass to outline the edge of the 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. A sacrificial board is a flat piece of scrap wood that you place under or on top or. It s not as effective but much simpler.

A metal bit. You ll need to start by securing your metal sheet in place before. For clean precise holes in thin sheet metal make a wood sandwich. How to drill through metal step 1.

Put your ink to the use and mark the hole center.