How To Make Hole In Sheet Metal With Step Drill

The first drawback is that this useable in only thin metal sheets.

How to make hole in sheet metal with step drill.

To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. But this drill has some drawbacks. You drill through it or into it when making the hole that s the sacrifice. This is better than using twist drills.

There are several special techniques that will help you make clean accurate holes in metal without excessive wear on your drill bit. Using step drill bit. Some step drill bits need pilot holes. Step drill bits can drill holes of several sizes in one operation.

Place the die over the draw stud before inserting the stud through the pilot hole. You set the drill bit in place push the button and press the bit into the material you re drilling. But there are two main differences. A very simple technique to drill large holes in sheet metal has been presented.

In essence drilling metal is no different than drilling wood. Advance the drill through the thin sheet metal it may be difficult to get the drill to start cutting but a gentle force should be used until the cloth has been pierced taking care not to distort the sheet metal the drill will then advance normally through the metal but the resulting hole will be both round and assuming drill geometry is not miles out the size will be spot on. Use a sacrificial board a sacrificial board is a flat piece of scrap wood that you place under or on top or both of something you re drilling. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.

For clean precise holes in thin sheet metal make a wood sandwich. It consists in simply putting a cloth between the drill bit and the piece to drill. How to drill metal.