How To Make Hole In Sheet Metal With Step Drill

Using step drill bit.

How to make hole in sheet metal with step drill.

But this drill has some drawbacks. 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. But there are two main differences. Place the die over the draw stud before inserting the stud through the pilot hole.

As shown in the picture belo the result is not perfect but is so much better that it s definitely worth considering since it s simple and doesn t require any extra tools or particular skills. It consists in simply putting a cloth between the drill bit and the piece to drill. Step drill bits can drill holes of several sizes in one operation. You drill through it or into it when making the hole that s the sacrifice.

For clean precise holes in thin sheet metal make a wood sandwich. Some step drill bits need pilot holes. You set the drill bit in place push the button and press the bit into the material you re drilling. How to drill metal.

To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. In essence drilling metal is no different than drilling wood. 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. The first drawback is that this useable in only thin metal sheets.

You can easily create large holes in thin sheets by using this drill. There are several special techniques that will help you make clean accurate holes in metal without excessive wear on your drill bit. This is better than using twist drills.