Drilling aluminum: What you need to consider

When drilling, make sure that the drill bits are specifically designed for soft metals. Tips for clean results:

• Use twist drills made of HSS (high-speed steel) or with titanium nitride coating.
• Reduce the speed to avoid overheating.
• Use coolants, lubricants or drilling oil to minimize friction and adhesion.

Drilling aluminum is an important process when machining this material. To drill successfully, it is crucial to select the right tool that is specifically tailored to the properties of aluminum. Often a standard twist drill is used, similar to those used for machining steel or copper, sometimes even with a titanium coating. Alternatively, an automatic twist drill, deep hole drill, boring bar or circular cutter can be used.

Even with the right tool, drilling aluminum can be challenging. It is important to hold the workpiece securely and to keep pressure as low as possible when drilling. A low speed is also recommended to minimize the risk of stress whitening. For larger holes, pre-drill with a small drill bit first and then carefully drill the holes to avoid breakage or bending. It is important to work slowly and with little pressure.

Remember that proper preparation and careful work are crucial to successfully drilling aluminum. Good luck drilling aluminum!