How To Drill Hole In Metal Sheet

For clean precise holes in thin sheet metal make a wood sandwich.

How to drill hole in metal sheet.

Put your ink to the use and mark the hole center. How to drill through metal step 1. 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. 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.

Sheet metal drills a pdf test drill a hole. Drill bits can be reluctant about metal. Twist drills are great. A metal bit.

Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. Your first step should always be to locate the centers of all the holes you will need to. You ll need to start by securing your metal sheet in place before. Never ever hold a sheet metal workpiece in your hands when drilling and always.

The cloth prevents the drill bit to dig into the metal without the need of changing the rake angle. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. Use a sacrificial board. The pilot hole will help you positioning the drill bit and than just drill as usual.

How to drill a hole in metal with a rotary drill kit this process is just like piercing a hole in metal. The center is about half way through the 050 thickness with the point already through the material. At the lower right. How to work with sheet metal step 1.

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. At the left is the hole just started and starting to drill some of the diameter. A sacrificial board is a flat piece of scrap wood that you place under or on top or. Using a black marker pen mark where you want to start drilling.

Always use a clamp or three. At first locate the center of the whole. Or maybe they re just distracted or they lack motivation. You could also make a small dent using a hammer and.

Now it s time to use that center punch.