How To Drill A Hole In Sheet Metal

You could also make a small dent using a hammer and.

How to drill a hole in sheet metal.

How to work with sheet metal step 1. How to drill a hole in metal with a rotary drill kit this process is just like piercing a hole in metal. Hard metals like steel and larger drill bits require even slower speeds. The pilot hole will help you positioning the drill bit and than just drill as usual.

For the cleanest hole clamp a second piece on top of the metal making a sacrificial sandwich. Make a dimple drill bits can be reluctant about metal. To 3 16 in you can drill through most metals at 3 000 rpm. 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.

The scallop you see on the right side of the drill in these views is the relief angle that must be. Twist drills are great. It s not as effective but much simpler. In general it s a good idea to drill through metal using as slow a speed as possible using a drill bit for metal.

Since this is a small hole a normal drill bit will work well in the sheet metal without extra precautions. You ll need to start by securing your metal sheet in place before. With a small twist bit 1 16 in. If the point is even with the outer tips of the drill you cannot pick up you mark and the drill will walk around the surface as you try to drill the hole.

Always use a clamp or three. A point at the end of the drill to place in your center punch mark to start. Your first step should always be to locate the centers of all the holes you will need to. Never ever hold a sheet metal workpiece in your hands when drilling and always.

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