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Screw Driver Bits

Screw Drives Bits - Quality S2 material - profession use - Deltec UK 

A screw drive is a...

Screw Drives Bits - Quality S2 material - profession use - Deltec UK 

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

Most heads come in a range of sizes, typically distinguished by a number, such as "Phillips #00" or "Torx T5". These sizes do not necessarily describe a particular dimension of the drive shape, but are often arbitrary designations in the same sense as a "Size 8" dress

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