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22 de julio de 2019
With the right tool, drill bit and speed, virtually any material can be drilled. Whether you’re drilling through composite material or hardened steel for an oil and gas or metal-working application, the drill’s speed has the most impact on the quality and efficiency. Below are some top tips to help you drill more effectively and safely.
First, identify what material you are drilling.
Soft materials such as wood or composite are generally considered easy to drill, and little thought is given to the tool, especially if the drilled hole doesn’t need to be particularly high quality. However, if a hole needs to be drilled with precision, then the correct speed is vital. With the right speed and drill bit, the tool will be able to cut a clean, exact hole with ease.
Hard materials, including hardened steel, alloy steel or cast iron, are tougher to drill than soft materials. A tool with correct power, torque and speed is imperative for drilling hard materials. Lower speed and lubrication are success factors here!
You can see the effect drill speed has on an aluminum sheet in our short video here:
A question we often get asked is: “Is higher speed better?” Absolutely not. To drill effectively you need to select the right speed for the material you want to drill. If the speed is too low, you risk tearing and ripping the hole. However, if the speed is too high you will not get bite in the material. This is especially true for hardened steel.
The drill bit must be sharp and in good condition. This will also reduce the necessary pressure you have to put on the tool.
Remember: When you use a low speed drill, <1000 rpm, the tool can twist your arm if the drill bit gets stuck. This causes many injuries. To protect yourself always use a side handle.
Here are 4 key steps to define the right speed for your drill:
Here are a few general pieces of advice to follow:
And don’t forget our safety recommendations when using a power drill:
Download our free technical guide
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