Robertson screwdriver definition
WebIf you're like me you despise interchangeable-tip screwdrivers, the tip you need is always loose somewhere in the back of a drawer/toolbox...everyone I know has a good selection of Phillips and flat-head/slotted drivers, but rarely a proper Robertson (ie-"square") set -- this set includes the harder-to-find x-small #0 as well as the jumbo #4 (along with the more … WebJun 15, 2002 · The Robertson square-drive: a screw topped with a square hole ready to receive its matching hand driver. A thing of beauty for Canadian woodworkers because that recessed square won't let you slip...
Robertson screwdriver definition
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A Robertson screw, also known as a square screw or Scrulox, is a type of screw with a square-shaped socket in the screw head and a corresponding square protrusion on the tool. Both the tool and socket have a slight taper. Originally designed to enable the screws to be made using cold forming of the heads, the taper … See more Robertson screws are commonplace in Canada, though they have been used in other countries and are becoming much more common. As patents expired and awareness of their advantages have spread, Robertson … See more Background The internal-drive square socket for screws (as well as the corresponding triangular socket drive) had been conceived several decades before the invention of the Robertson screw and driver. An earlier … See more A new variation of the Robertson drive is the Nüvo drive system. Its screws are compatible with Robertson drive tools, but have rounded lobes … See more Many screw heads used in electrical applications (e.g., a typical NEMA 5-15R, breaker screws, and conduit screws) use a combination of a … See more WebMar 27, 2024 · A flat-head screwdriver is a tool used to either tighten or loosen slotted screws with a single indentation in the head. Flat-head screwdrivers are available in both metric and standard sizes. In addition to flat heads, the other common types of screwdrivers are Phillips and Robertson.
WebApr 11, 2024 · The Robertson screwdriver, also known as a square screwdriver, was invented in 1908 by P.L. Robertson, a native Canadian. The screwdriver presented a solution to the …
WebJul 4, 2009 · 1,584 Posts. #2 · Jun 30, 2009. Royston said: does anyone know where i can either order or purchase #3 and #2 Original Robertson screwdrivers in central ON. ive been to hudco, nepsco, HD, rona, and Home hardware. my journeyman says they last forever, he has had his since 1966. WebThe Robertson screw is considered the "first recess-drive type fastener practical for production usage." The design became a North American standard. Henry Ford used Robertson screws in the Model A car made by the Ford Motor Company (one of Robertson's first customers). The Model T used over seven hundred Robertson screws.
WebSep 28, 2024 · (chiefly Canada) A type of screwdriver having a square tip, designed to drive a Robertson screw. 1963 , Alonzo Wass, Building construction estimating : The Robertson-head screw has a square hole in …
WebAug 7, 2024 · A Robertson screwdriver is a type of screwdriver that has a square-shaped blade with a #2 Phillips head. The screwdriver is named after its inventor, Peter Robertson, who designed it in 1908. The Robertson screwdriver was designed to be more durable and easier to use than the traditional Phillips head screwdriver. hunter safety course bartlett tnWebApr 30, 2013 · He was a pitchman for a Philadelphia tool company, a traveling salesman who sold goods at trade fairs and on street corners throughout eastern Canada. He spent his … hunter safety course californiaWebRobertson was born in 1879 in Seneca Township, Ontario (see historic townships of Haldimand County). As a salesman for a Philadelphia tool company in eastern Canadian sales territories, he was demonstrating tools one day when his straight-bladed screwdriver slipped and cut his hand (a common mishap with the straight slot design). This prompted ... hunter safety.comWebScrewdriver, Robertson, Size R1, 185 mm. KNIPEX. You previously purchased this product. View in Order History. Each. 1+ $26.68 ($30.68) Restricted Item. This item has been restricted for purchase by your company's administrator. Minimum order of 1 items Multiples of 1 only Please enter a valid quantity. hunter safety classes onlineWebA screwdriver is an essential part of any toolbox. You reach for one to assemble a crib, another to build a patio deck and yet another to install a bracket for a flat-screen TV. … marvel guardians of the galaxy game 2021WebThis screwdriver design is self-centering and enables easy one-handed driving with a secure fit. TORX® – Automotive and electronic applications often use TORX® driver tips. The six rounded points increase torque transfer and reduce operator fatigue by minimizing the needed driving force. hunter safety course chenango county nyWebApr 11, 2024 · The Robertson screwdriver, also known as a square screwdriver, was invented in 1908 by P.L. Robertson, a native Canadian. The screwdriver presented a solution to the frequent problem users encountered with flathead screwdrivers: the driver often slipped out of place and slowed down the process of securing the fasteners. hunter safety course erie pa