Both screwdriver and nut drivers are used for dealing with different types and sizes of fasteners. Screwdrivers help with tightening or loosening of screws. They are available in many types to match the correct size of the screw drive. The head of the screw usually consists of a shaped cavity into which the screwdriver tip can fit. After that, a turning force or torque is applied in either clockwise or anti-clockwise direction to insert or remove the screws.
Nut drivers are commonly known for tightening the nuts and bolts. They resemble the screwdrivers in appearance and perform a similar function. Nut drivers usually consist of a hollow shank that can thread a nut.
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Blades
The blades are the part of screw or nut drivers used to turn the screws. The flat-bladed tip of screwdrivers is the most common to turn the screws, fasten or loosen them. The flat blade tool is highly versatile as it can be sued with many different sizes of fasteners. Besides the flat blade tip, other varieties such as Hex point, square tip, Torx blade, and clutch head are also available.
Handles
The handles are parts of the screw and nut driver that the operator uses to hold these tools while using them. The handles are mostly made of plastic and sometimes might be covered with some rubber material.
Shaft
The third part of these screw and nut drivers is the shaft or the shank. The shaft is a narrow cylinder-shaped metal stem protruding from the handle.
