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Max. torque

The maximum torque indicates the maximum rotational force the drill is capable of exerting. This value is measured in newton metres, denoted as "Nm". A drill with a higher torque can drive large and long screws even into hard materials such as solid wood or metal. It is also suitable for drilling with large-diameter drill bits. Conversely, for working with smaller screws and in softer materials, such as furniture assembly, such high force is not necessary and can sometimes be undesirable as it can damage the material or tear the screw head. Most cordless drills allow torque control by means of a numbered rotary ring located behind the chuck. Setting a lower number will limit the force and the drill will stop when it reaches that limit, which is ideal for precision screwdriving. For maximum drilling power, the drill symbol is selected to disable this limiting clutch. Sometimes two torque values are specified for drills: the so-called "hard" and "soft" torque. The hard torque represents the maximum force during a sudden stop, for example when a screw hits the end of a thread in metal. Soft torque describes the force when screwing smoothly into a pliable material such as wood. The hard torque value is usually higher.

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