How To Drill Aluminum Sheet

At the left is the hole just started and starting to drill some of the diameter.

How to drill aluminum sheet. Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface. The punch is then. Sheet metal drills a pdf test drill a hole. Importance of making a dimple.

To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. Place the die over the draw stud before inserting the stud through the pilot hole. Drill bits have the habit of wandering as you make the first drilling. This could lead to drilling happening in the wrong place.

The qualities that make aluminum lightweight create problems when you are creating a threaded hole in the material. Choose the right type of drill bit for drilling aluminum in order to clear the chips effectively 2. Each tool will fail to cut the aluminum once clogged. Reduce the speed of drilling to reduce the temperature hence aluminum welding 3.

Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel. If you are using cast iron brass or easier to drill metals like aluminum brass or cast iron you would not require too much of lubrication. Co z 5pcs hss cobalt multiple hole 50 sizes step drill bit set with aluminum case. Keeping the tools free of aluminum ensures a threaded hole able to hold a fastener.

The center is about half way through the 050 thickness with the point already through the material. Drilling soft materials such as aluminium and copper can cause a whole range of challenges that can limit tool life minimize production and cost you money. At the lower right. The right shows the finished hole.

If you like the idea of having a set of step bits but you want something a bit stronger and more reliable then you will most likely want to get these from co z.