Types of drills and their uses

Screw loosening and tightening drill

It provides a powerful pivoting action and functions as a screwdriver. It does not function as a hammer drill. A cordless drill (chargeable drill) can be used for most household tasks requiring quick drilling, such as drilling wood, interior walls , and metal.

Multi-purpose drill

It functions as a high-speed torque drill, a screwdriver for tightening and loosening screws, and a hammer drill.

The hammering feature that this type possesses distinguishes the hybrid (multi-application) drill from other types of drills and drills that function as screwdrivers for tightening and loosening screws.

This also means that this type of drill is capable of drilling through very hard surfaces that regular drills cannot. You will need a multi-purpose drill if you want to drill through concrete.

Hammer property

This feature allows you to drill through materials such as cement.

The hammer function complements the torque generated during drilling, allowing the drill to strike the surface up to 1,000 times per minute and penetrate even the densest materials. Use tungsten carbide bits when using hammer drilling.

Axial drilling feature

Pivot drills are ideal for performing everyday household tasks that most people can do themselves, such as drilling holes in a wall to hang picture frames.

This type relies on high-speed rotation (around 3000 RPM). Therefore, it's ideal for drilling small holes and through brittle materials like wood, metal, and plastic. You won't need a hammer function.

Screw tightening and loosening feature

The hammer drill also comes with a slow-speed function for tightening and loosening screws. This provides slower speeds with added torque.

Bosch concrete drill

This type rotates at around 3000 revolutions per minute, but to obtain more power, the hammer feature in this type will increase its rotation speed to reach 40,000 revolutions per minute.

The problem with using this type of drill is that it's unsuitable for everyday household tasks or drilling through limestone or lightweight concrete. However, drilling through hard stone like granite will produce vibrations and noise due to the intense pressure of the drilling process, and because you'll need more power to operate the hammer function.