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→Hex Drive
==== Hex Drive ====
One of the few drives turned by using the outside of the head rather than the inside. Hex head screws are installed with a socket, usually connected to a ratcheting tool or a power driver.
[[File:HexHex2.png|framethumb|center|200px|Image reproduced from [https://pixabay.com/en/nut-bolt-black-silhouette-hexagon-309717/ here]]]
==== Robertson Drive ====