The origin of the screw and the screwdriver is lost to the pages of history, though some believe the first screw-like tool originated around the first century. The first recorded screwdriver, though is thought to have originated sometime in the &#;s as one is depicted in a manual from that era and various suits of armor exist with screws in them, and something obviously had to drive them in. The &#;s boasts a few possibilities for an origin. The &#;tournevis&#; from France in appears in an encyclopedia, but not much is known beyond that. It&#;s also believed a flat-bladed tool in for carpenters is where the origin of the screwdriver lies. Both can be read about on this timeline . The big innovation came, however, in when Jesse Ramsden invented the screw cutting lathe which allowed mass production of screws with precise sizes. This first screw and screwdriver were slotted screwdrivers and changed the world forever.Once the screw and screwdriver had been established, people started improving on the design and driving innovation. The first major innovation came in with square drive screws made by P. Robinson, presumably because he had the same problems with slotted that I do (they slip). The square drive became the standard for use in mass production as it could be driven in more quickly. Henry Ford was one of the first to adopt this screw. Square drive screws are still in use today as they are an improvement over slotted, however they can cause breaking of the bit or the screw if overtorqued.The problem of overtorquing became more prevalent in assembly lines and a new screw was needed to secure a tighter fit and to handle the stronger torque provided by power tools. Enter the Phillips screw and screwdriver pioneered of course by Henry Phillips in the s. The cross-shaped screwdriver and interface allowed the driver to escape and slip out if overtorqued, but allowed a much more secure hold than the slotted driver.Since then, multiple other drivers and screws have been invented from the hex and the Pentalobe to combo slotted/Phillips, Torx and One Way. These came about for different reasons, but have served to accomplish different functions, namely to make it hard for people without the right tools to mess with them.At EIO.com, we carry every kind of screwdriver tip available and we have it from precision size, all the way up to standard sized and if it&#;s available, we also have an insulated version. We carry many well-known brands from lower end/standard use tools like Eclipse /Pro&#;s Kit or Elenco to more durable and higher end tools like Bondhus Wera and Wiha . It would be impossible to list them all here, but all of these brands manufacture high quality tools so be sure to search for your specific needs.Do you have some tool trivia for us? Share it on Facebook
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A screw is any shaft with a corkscrew-shaped groove formed on its surface. Screws are used to fasten two objects together. A screwdriver is a tool for driving (turning) screws; screwdrivers have a tip that fits into the head of a screw.Around the first century, screw shaped tools became common, however, historians do not know who invented the first. Early screws were made from wood and were used in wine presses, olive oil presses, and for pressing clothes. Metal screws and nuts used to fasten two objects together first appeared in the fifteenth century.In , English instrument maker, Jesse Ramsden (-) invented the first satisfactory screw-cutting lathe. Ramsden inspired other inventors. In , Englishmen, Henry Maudslay (-) invented a large screw-cutting lathe that made it possible to mass-produce accurately sized screws. In , American David Wilkinson also invented machinery for the mass production of threaded metal screws.In , square-drive screws were invented by Canadian P. L. Robertson. Twenty-eight years before Henry Phillips patented his Phillips head screws, which are also square-drive screws.The Robertson screw is considered the "first recess-drive type fastener practical for production usage." The design became a North American standard, as published in the sixth edition of Industrial Fasteners Institute Metric and Inch Standards. A square-drive head on a screw can be better than a slot head because the screwdriver will not slip out of the screw's head during installation. The Model T car made by the Ford Motor Company (one of Robertson's first customers) used over seven hundred Robertson screws.In the early s, the Phillips head screw was invented by Henry Phillips. Automobile manufacturers now used car assembly lines . They needed screws that could take greater torque and could provide tighter fastenings. The Phillips head screw was compatible with the automated screwdrivers used in assembly line.
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Ironically, there is a Philips Screw Company that never made Phillips screws or drivers. Henry Phillips died in at the age of sixty-eight.
A hexagonal or hex screw head has a hexagonal hole turned by a Allen key. An Allen key is a hexagonal shaped wrench . The Allen key may have been invented by American, Gilbert F. Heublein, however, this is still being researched and should not be considered a fact. Heublein was an importer and distributor of foods and beverage. who in introduced "The Club Cocktails", the world's first bottled cocktails.In , the flat-bladed bit for the carpenter's brace was invented, the precursor to the first simple screwdriver. Handheld screwdrivers first appeared after .
Different Types of Screws, Drives, and Heads
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