How To Drill Aluminum Sheet

Choose the right type of drill bit for drilling aluminum in order to clear the chips effectively 2.

How to drill aluminum sheet.

Each tool will fail to cut the aluminum once clogged. Sheet metal drills a pdf test drill a hole. The qualities that make aluminum lightweight create problems when you are creating a threaded hole in the material. At the left is the hole just started and starting to drill some of the diameter.

The punch is then. 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. Use a scrap of plywood as a backer for the hole saw s pilot bit and to protect your work surface.

Co z 5pcs hss cobalt multiple hole 50 sizes step drill bit set with aluminum case. Drill bit and taps used on aluminum will clog as they remove material from the area. Keeping the tools free of aluminum ensures a threaded hole able to hold a fastener. Like twist bits hole saws chuck right into your drill and will cut through thin gauge sheet metals like aluminum and steel.

The center is about half way through the 050 thickness with the point already through the material. The right shows the finished hole. Importance of making a dimple. Use the peck drilling retract cycle on drilling so that the lands of the drill bit clear on the retract cycle see note below.

To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. 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. This could lead to drilling happening in the wrong place. 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.

To be used with sheet metal only.