DETAILS, FICTION AND TYPES OF SCREW HEADS

Details, Fiction and types of screw heads

Hex exterior- External hex screws need a appropriate wrench or socket to put in. This kind of generate recess could possibly get good leverage since you switch the overall drive from the sides from the screw. Coin-slot drives get their name in the curved check here base from the recess, which makes it easier to push them with the proper coin.

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