A Beginner’s Guide to Using a Combi Drill

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Man making a hole in the plywood with the help of a combi drill.

Combi drills are more complex than other types of electric There are several buttons and settings to consider! So, what exactly do they all do? The combination exercises performed by most brands and models from the range on ADA Fastfix will be similar to this example.

The handle and trigger

The handle is meant to be used in either your left or right hand without requiring any adjustment. The trigger should be pulled and released with your index finger. Depending on how far you pull the trigger it will move at various speeds. Gently pull the trigger for a low speed and all the way back for maximum speed. It’s usually best to start slow and gradually increase in speed as you go when tackling most tasks.

Selector switch

The selector switch allows you to alter the drill’s rotation. You may insert and remove screws depending on which direction is chosen. Keep in mind that when drilling holes in materials, the direction must always rotate clockwise (when facing the rear of the drill as it touches the material).

LED light

A drill with an LED light beneath the chuck head and above the trigger. This aids in highlighting where you are working, allowing you to precisely direct the head.

Gear selector / Speed setting

Use the speed control knob to change the drill’s rotation speed. For small holes and screwing/unscrewing, use speed number one (slow). You’ll have more control over the screw and won’t risk breaking off the head. Set the speed dial to three if you’re using a trigger, the speed can be controlled, but it adds extra security if you get a little enthusiastic! Two is for drilling. When the trigger is fully squeezed, it’s the fastest setting.

Drill, Torque numbers, and hammer setting

When drilling wood or metal, you’ll need to choose the drill setting on the collar. You’ll require the hammer if you’re drilling masonries such as brick or concrete. This will be quite loud, so prepare yourself.

The last selections are usually numbered 1 to 15 (usually) and terminate the drilling operation when screws are inserted into a material with enough resistance. The lower the figure, the faster the drill will stop. When you’re putting up plasterboard, this option is usually beneficial. It takes some trial and error to get the correct setting, but when you do, you’ll appreciate how much easier it is to insert hundreds of screws. When working on electrical goods use these settings to minimise over-tightening and removing screws.

The chuck

The drill bit holder is going to grab your drill and screwdriver bits firmly. It may be tightened and loosened by twisting the plastic section while keeping the drill still. Three tiny clamps will open and close slowly as you turn it, revealing three small clamps inside that do the same thing. Insert the bit as far into the chuck as it will go, ensuring that the chuck is tightened securely with each rotation of the drill. As some drills are tightened they may produce a clicking sound. This is completely natural and referred to as a ratcheting chuck.

Carry hook

The hook makes it simple to attach the drill to your clothing or a somewhere else so that you may free up that all-important extra hand.

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