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2. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   List of screw drives. At a minimum, a screw drive is a set of shaped cavities and protrusions on the screw head that allows torque to be applied to it. [1][2] Usually, it also involves a mating tool, such as a screwdriver, that is used to turn it. Some of the less-common drives are classified as being "tamper-resistant".

3. Socket wrench - Wikipedia

   en.wikipedia.org/wiki/Socket_wrench

   A screwdriver-type handle for hand turning with a built-in female socket at the end of either metric or fractional inch sizes. May be of different lengths. flex-head socket wrench Saltus wrench Combination wrenches with a fixed socket in place of the box end. T-handle A socket attached to a T-handle that is used for leverage.

4. Torx - Wikipedia

   en.wikipedia.org/wiki/Torx

   A Torx T8 screw head on a hard disk drive. Torx (pronounced / tɔːrks /) is a trademark for a type of screw drive characterized by a 6-point star-shaped pattern, developed in 1967 [1] by Camcar Textron. [a] A popular generic name for the drive is star, as in star screwdriver or star bits. The official generic name, standardized by the ...

5. Screwdriver - Wikipedia

   en.wikipedia.org/wiki/Screwdriver

   A screwdriver is classified by its tip, which is shaped to fit the driving surfaces (slots, grooves, recesses, etc.) on the corresponding screw head. Proper use requires that the screwdriver's tip engage the head of a screw of the same size and type designation as the screwdriver tip. Screwdriver tips are available in a wide variety of types ...

6. Torque screwdriver - Wikipedia

   en.wikipedia.org/wiki/Torque_screwdriver

   Torque screwdriver. A torque screwdriver is a screwdriver with components that ensure tightening to a specified torque, ensuring tightening which is sufficient, but not excessive. An insufficiently tightened screw connection may loosen in operation, and excessive tightening can damage parts; for example, if the nuts holding the wheel of a car ...

7. Nut driver - Wikipedia

   en.wikipedia.org/wiki/Nut_driver

   An Easco spinner handle with a detachable 1⁄4 in (6.35 mm) socket attached. A nutdriver or nut driver is a hand tool for tightening or loosening nuts and bolts. It essentially consists of a socket attached to a shaft and cylindrical handle and is similar in appearance and use to a screwdriver. [1] They generally have a hollow shaft to ...