How To Drill In Sheet Metal

Drill bits can be reluctant about metal.

How to drill in sheet metal. This is how to prepare a 1 4 diameter drill. How to drill through metal step 1. Select the right bit for the job. Depending on the tools you have you ll now need to punch or drill a hole where the indentation has been made to produce an accurate hole in your sheet metal.

To 3 16 in you can drill through most metals at 3 000 rpm. A very simple technique to drill large holes in sheet metal has been presented. Use a sacrificial board. Secure a loose piece of metal you re drilling by clamping it to your workstation or setting it in a vice.

A metal bit. Your first step should always be to locate the centers of all the holes you will need to. In general it s a good idea to drill through metal using as slow a speed as possible using a drill bit for metal. Have you ever had to drill through metal.

Tap your hammer to leave an indentation on the sheet metal. High speed steel hss bits will work for most kinds of metal as will carbon steel. Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design. Here is a quick and efficient way of how to get the job done.

A sacrificial board is a flat piece of scrap wood that you place under or on top or. Twist drills are great. Never ever hold a sheet metal workpiece in your hands when drilling and always. It consists in simply putting a cloth between the drill bit and the piece to drill.

Mark the position you need to drill with a pencil. Sheet metal drills a pdf grinding the tip use the appropriate eye protection when using a bench grinder. Hard metals like steel and larger drill bits require even slower speeds. Amazon affiliate links listed below.

With a small twist bit 1 16 in. Always use a clamp or three. 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.