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Screwdrivers are most likely the most prevalent tools used both for home and specialist uses. They occur in a huge range of dimensions from tiny jeweler's screwdrivers up, and are designed to match the big variety of screws obtainable.

The screwdriver appears to have originated in either France or Germany in the late 15th century. The first name for this device was screwturner or turnscrew. The earliest screwdrivers had pear-shaped picket handles and ended up produced for slotted screws. Screws had been applied in the 15th century for setting up screw-slicing lathes, for securing breastplates, backplates and helmets on medieval jousting armor. Screwdrivers created about time as the development of screws evolved and improved.

In 1908, a Canadian, P.L. Robertson, while not the very first man or woman to patent the idea of socket-head screws, was the 1st human being to productively commercialize them. Socket screws rapidly grew in popularity and are nevertheless a beloved of mechanics these days for their resistance to put on and tear, their compatibility with hex keys, and their ability to quit a electricity tool when set. Unfortunately, Robertson was unwilling to relinquish his patents and as a outcome, ran in to complications when striving to marketplace his invention to the freshly booming automobile market.

In the meantime, an American, Henry F. Phillips, patented his very own enhanced invention, these days regarded as the Phillips screw. It was a model of a deep socket with a cruciform (organized in a cross) that swiftly grew to become, and still continues to be, the most well known screw in the entire world. A main attraction for the screw was that conventional slotted screwdrivers could be employed on them.