How To Drill Hole In Metal Sheet

Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.

How to drill hole in metal sheet.

How to work with sheet metal step 1. Your first step should always be to locate the centers of all the holes you will need to. Using a black marker pen mark where you want to start drilling. Now it s time to use that center punch.

The right shows the finished hole. For clean precise holes in thin sheet metal make a wood sandwich. How to drill a hole in metal with a rotary drill kit this process is just like piercing a hole in metal. 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.

Twist drills are great. Always use a clamp or three. At first locate the center of the whole. Put your ink to the use and mark the hole center.

At the left is the hole just started and starting to drill some of the diameter. Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. A sacrificial board is a flat piece of scrap wood that you place under or on top or. 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 could also make a small dent using a hammer and. A metal bit. The center is about half way through the 050 thickness with the point already through the material. At the lower right.

Use a sacrificial board. The cloth prevents the drill bit to dig into the metal without the need of changing the rake angle. Drill bits can be reluctant about metal. The pilot hole will help you positioning the drill bit and than just drill as usual.

It s not as effective but much simpler. Or maybe they re just distracted or they lack motivation. You ll need to start by securing your metal sheet in place before. 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.

How to drill through metal step 1.