unlikely to slide out of the screw due to centrifugal force. Register here, Get all the latest sent to your email inbox. From smallest to largest, these High-low screws have two sets of threads with alternating heights. ALL of them are robertson. Also known as a slot drive, a flat-head screw lives up to its namesake by supporting the … BTW - Galvanized screws seem to require about a zillion times more torque to drive the screws. The Phillips-head screw was initially developed in the 1930s for industrial use. Fillister Head The Robertson screws are in common use in New Zealand and as you say are far easier than Phillips or cross head screws to use,even without a magnetic tip. Some screws have heads designed to accommodate more than one kind of driver, sometimes referred to as combo-head or combi-head. Common materials for the screw are aluminum, steel, nylon and brass, while common finishing materials include non-stick coatings, black oxide and zinc. Fill out this. ROBERTSON. Screws are often made of two metals or alloys. His design addressed several slippage and availability. This Your Machines Can Burn Out: Are You Prepared to Prevent Downtime? drawbacks to slotted screwdrivers, the most common type of screwdriver at that Sizes 0-4 are most commonly encountered. are: orange (#00), yelllow (#0), green (#1), red (#2), and black (#3). A binding head has a medium to low edge with an undercut beneath the head to get rid of fraying from stranded wire. Screws have progressed over time. This visual aid means that you can instantly recognise a whether a screw … because the driver bit inserts deeper into the screw head. Sheet metal screws also have coarse threads like wood screws but tend to be shorter. Phillips heads have a cross-shaped tool indent. Hand Tools soon as the handle is turned. Generally used as a self-drilling screw in many projects. It seems that 90% of the Robertson drive screws that woodworkers use can be driven with a number 2 Robertson driver. But Canadians likely own a screwdriver that few outside Canada would recognize. The official website of the Robertson Screw since 1908. There was an unexpected error retrieving your customer data. Robertson's refusal to license his technology to other manufacturers. A thing of beauty for Canadian woodworkers because … What sets these apart, however, is that all sizes are also color-coded for easy reference. Electrical Boxes, Cabinets, Enclosures & Racks, Facility Maintenance & Operations Supplies, Industrial Push Buttons, Pilot Lights & Control Stations, Motor Bearing Failure Troubleshooting with a Vibration Tester. I find with the Phillips/cross head screws it's easy to use the wrong driver head. The compactness of the Robertson head works well for trim head screws and In 1908, square-drive screws were invented by Canadian P. L. Robertson (1879–1951), 28 years before Henry Phillips patented his Phillips head screws, which are also square-drive screws. Flat-Head. The first is the material used to make the screw and the second is the material used to finish it and give it a specific appearance. Like a Phillips screwdriver, the Robertson driver is self-centering. Ask Question. such screws. Track purchase history and view your account information. Many will think of an inch-long piece of metal with spiral threads and a Phillips or slotted head. Common materials for the screw are aluminum, steel, nylon and brass, while common finishing materials include non-stick coatings, black oxide and zinc. The Phillips design does not lend itself as well to When someone thinks of a screw, a specific picture probably comes to mind. The head can be circular or hexed with a washer underneath the flat load bearing surface which usually increases the bearing capacity by distributing pressure and helps the screw to remain in its position. Phillips never wanted anything more than a licensing deal so he was quite content to sell the rights to make the screws. Contact a Customer Service Representative for additional selections, options and solutions. This changed in 1908, when Canadian P.L. There are seven different Phillips drive sizes, designated 000, 00, 0, 1, 2, 3, If you can connect, you can place an order. On the right side there are two more bays, containing two different kinds of deck screws, floorings screws, and general construction screws. conventional slotted screws and screwdrivers. It offered the same self-centering advantage as the square drive but was designed to cam out. Robertson’s design consists of a tapered square-tipped screwdriver that fits They come in different sizes so always make sure your driver matches and fits well. Chain Grades: What’s the Difference? But, an early attempt to market these screws in the United States failed. Square indentations are also known as Robertson screw heads and require a special driving tool. Reader Interactions. heads but there are important differences between the two in terms of screw EnergyMisers: How to Save Up to 46% on Your Energy Bills, Drones Are the Latest Tech to Catch Utilities’ Interest. Phillips and Pozidriv screws use an axial force to drive the screw which is not as effective and is more likely to cause cam-out. Buy Now From Amazon.com. Peter L. Robertson, a traveling salesman from Ontario, Canada. Now that the original patents and licensing restrictions have begun to expire, Robertson screws are gaining in popularity worldwide. It has grown to over 600 employs, including 120 in Robertson’s home town of Milton, Ontario. Robertson’s design consists of a tapered square-tipped screwdriver that fits into a matching square recess (the "socket") in the screw head. 6 Ways to Enhance Your Safety Training By comparison, a Phillips screwdriver is very well-suited for industrial processes. Screws Create templates, aka  “My Lists.” Reduce search time, click, order, done. Once the Phillips bit is seated securely in the Phillips head screw, the operator can apply much more torque for fastening. fastening system that would provide a firmer hold and less slippage than by Henry Phillips in an effort to faciliate the installation of screws using (the third bay on the right are drywall screws, which are phillips. especially for longer screws such as those used to attach cabinets to walls. The Phillips head was designed to provide a better contact with the screwdriver than the original flat head, the flat headed screw driver often tended to cam-out causing damage to the screw head, The Phillips head was designed to combat this by changing the design from a single groove to a simple cross to improve contact and torque, the design was then patented in 1930’s. Robertson … The Phillips driver was purposely designed to cam-out or slip out of the Required fields are marked *, Don’t have an ecommerce account? 7. Slotted screw heads are still the most common and use a flat-head screwdriver. the size indicated by a distinctive color. However, there are dozens of types of screws, all a different combination of multiple features. The Robertson square-drive: a screw topped with a square hole ready to receive its matching hand driver. Robertson patented the “first recess-drive type fastener practical for production usage,” a recessed square-drive screw that bears his name. difficult to limit torque in early power screw drivers). I really wish Phillips screws would become obsolete, but they are still extremely common in the U.S. the vast majority of screws sold at hardware stores are still Phillips. Round heads used to be the most common screw head, but they’re no longer recommended for new design, as the pan head is more effective. Because of its larger surface area, it is the least likely to slip. Order anytime, 24/7, 365 days a year. The first is the material used to make the screw and the second is the material used to finish it and give it a specific appearance. power screw drivers in an industrial setting. The Robertson square-head screw and screwdriver were invented in 1908 by Improved torque with minimal camout. Call and let us help meet all of your product and solution needs (866-483-7289). How to Choose the Right Band Saw Blade into a matching square recess (the "socket") in the screw head. time. Changing the selections above may affect product pricing and availability, including items currently in your cart. Square (Robertson) Drives. sometimes get stuck in the screw head. They can be tightened with a flat head but need a special tool to remove them. Hardware and Fasteners Robertson screwdrivers are available in five different tip sizes, with Robertson, Phillips, and the History of the Screwdriver The History Guy: History Deserves to Be Remembered Published on Nov 18, 2019 Most everyone owns at least one screwdriver. than a Robertson driver to prevent the driver from slipping off the screw, We manufacture and serve millwork, woodworking and distributors for 110 + years. Torx screws are commonly found on automobiles, appliances, computers, and electronics. than a Robertson head screw because the Robertson screw provides more depth for Do you want to be eligible for online ordering? Interestingly, although they were always sold at a premium price, it is actually easier to make Robertson screws than slots screws, as slots involve a punch for the head and then milling a slot. Hex socket screws require an Allen wrench, while hex screws are entirely hexagonal without an indent for a tool, meaning it needs a wrench or socket wrench. This left the Robert-son screw confined to the Canadian market. Once the driver bit The most common Phillips sizes are 1, 2, and 3 (from smallest to largest), and the bits typically have “ph” indicated on them. The material, thread, head shape and tool used to drive the screw can be mixed in different ways to create another type of screw. Consumer Reports once wrote that “compared with slotted and Phillips-head screwdrivers, the Robertson … It is more difficult to remove a painted-over or rusted Philips head screw Very low: Yes: Robertson or Square Recess: Popular because it has a ‘stick fit’ into the screw head—the Robertson or Square Recess screw can be held in place on the tip of the driver bit. Many don’t realize there are about 20 different head shapes for screws, because fewer than 10 are popularly known by homeowners. Pan heads offer a high outer edge with a large diameter, and in many cases they have replaced round, truss and binding heads. A Phillips driver will sometimes require greater downward force on the screw The easiest way to know whether a screw is Phillips or Pozidriv is that all Pozidriv screws have lines etched the screw head in-between the four arms of the cross. Once again I bought some hardware and it was supplied with lousy Philips screws. Public domain image by Matt Deres. other compact head screws. A Phillips drive screw. Steve tele-dataservices.com . Before the Phillips, there was the Robertson. This design One-way heads are technically a variation on slotted heads. BTW - When the Robertson screw won't stay on the drive bit un aided, it is time to change the driver bit. The Phillips screwdriver and Robertson screwdriver were both designed in the The more According to legend, Henry Ford discovered using Robertson screws could shave almost two hours off the assembly time of a vehicle. The Robertson screw is considered the "first recess-drive type fastener practical for production usage." Shortly afterwards a guy by the name of Phillips had no such reservation over licensing to Ford and, as they say, that was that! Robertson screws and drivers are most commonly used in Canada due to How To Create Engaging Safety Lessons A truss head, also called an oven head, has a low edge with a large diameter. An advantage of the Phillips head over the Robertson design was that it could “cam out” after reaching a certain torque level, preventing damage to the screw and driver from over-torquing. The length, depth and angle of a screw’s thread often depends on the materials in which it’s meant to be used. A torx head has a six-pointed star tool shape, which requires a torx screwdriver. the driver to "bite" into. How to instantly identify a Phillips vs Pozidriv screw head. When the blade slipped off the screw head and cut his hand, he was inspired to come up with something better. (It was A Phillips driver is self-centering and is The Phillips screwdriver was invented in Portland, Oregon in the late 1920s Pliers This design makes a Robertson screwdriver less susceptible to cam-out than a Phillips driver because the driver bit inserts deeper into the screw head. The Robertson, or square, drive is quite common especially throughout Europe. Flat Head (or Slotted Head) Screwdriver. Since the screw will force out the bit at the first sign of overtorquing, there is less risk of damage to the product or the bit. It is a combination of a screw and washer. This was at a time when torque-controllable screwdrivers had not yet arrived. (The idea is that first screwdriver out of the toolbox is used, and the user does not have to waste valuable time searchin… Speciallizing in variations of steel threaded fasteners, pitch points, intergrated washers and locking systems. Screws are often made of two metals or alloys. type of driver is used to drive screws that have recessed sockets in the screw Power Tools I've noticed on most jobs in the last few years the Fixture Installers only use the Robertson on wooden components. The Robertson Screw Company was headed by Robertson until his death in 1951. The most common of these are a combination of a slotted /Phillips head, often used in attaching knobs to furniture drawer fronts and combined slotted/pozidriv heads which are so ubiquitous in electrical switchgear to have earned the nickname "electrician's screws". one-handed because the tool tends to hold onto the screw, even if it is shaken. That is why Phillips spread around the world and Robertson is only the primary screw in Canada. You can review invoices any time, track purchase history, and print or download records. early 1900's to overcome drawbacks associated with the slotted screwdriver. and 4 (increasing in size). screw to prevent over-tightening and breaking screws in assembly lines. Please note that change of context may affect the pricing and availability of the existing items in the cart. Motor Bearing Failure Troubleshooting with a Vibration Tester Unfortunately the screw head recess appears to be a Phillips and so it is too easy to use the wrong tool or screw. Please try again later. Do you want to be eligible for online ordering? He sought a Tapping vs. Drilling: What’s the Difference? the United States. Robertson vs Philips screws Robertson vs Philips screws Sphoneman (Vendor) (OP) 16 Dec 04 08:26. speeds up production and reduces product damage since slip-out rarely occurs. It is easier to use a Robertson screwdriver than a Phillips screwdriver Screwdrivers Your email address will not be published. Your email address will not be published. What disadvantages are there using Robertson screws. The initial screw slotted screw head is simple to make, just cut a channel across the head. In the early 1900s, a traveling Canadian tool salesman named Peter Lymburner Robertson was demonstrating a fancy new spring-loaded slotted screwdriver. However, an annoying side effect of this "advantage" is that screw bits can It is one of the oldest types … Each Slotted Screwdriver Versus Phillips Screwdriver. But since Robertson refused to sell exclusive rights to the screw to Ford, he turned to using a screw developed by a guy named—you guessed it—Phillips. For example, machine screw threads are finer and partnered with a nut or tapped hole, while wood screws have a deeper thread. Your Machines Can Burn Out: Are You Prepared to Prevent Downtime? widely licensed Phillips head has gained greater acceptance worldwide, including Phillips head. Tapping vs. Drilling: What’s the Difference? is inserted into the screw head recess, it will quickly seat itself as Robertson Sizes Chart Additional shapes are: holt, one-way, Philips finishing washer, washer, undercut flat and oval, square shoulder, hexagon, indented hexagon, indented hexagon washer, acorn head, type U and type T. There are various tool-shaped indentations that can appear on screw heads, each requiring a specific tool. For manual applications, Torx screws are quickly becoming the most popular choice. Much like Phillips screwdrivers, Robertson drives use a numbering system. Other common screw head shapes include: the flat head, which angles upward so it can be flush with the surface after being fastened; the oval head, which is also known as the oval countersunk and is the same as a flat head but with a rounded top; and a fillister head, which has a small diameter but high edges with a deeper slot for the driving tool. A Phillips is, arguably, not a better screw than a Robertson. makes a Robertson screwdriver less susceptible to cam-out than a Phillips driver Fill out this online form. MRO. Its advantage over the Phillips drive is that one Frearson driver or bit fits all Frearson screw sizes, although there are 2 sizes available. It seems that 90 % of the oldest types … How to Save up to 46 % on Energy... Screwdriver, the most common type of screwdriver at that time a distinctive color, the operator apply... The drive bit un aided, it is one of the screw head Robertson ’ s the Difference Robert-son robertson screw vs phillips. Slide out of the existing items in the last few years the Fixture Installers only the! Cause cam-out to receive its matching hand driver What ’ s the Difference from wire. Employs, including items currently in your cart was demonstrating a fancy new spring-loaded slotted screwdriver - when the drive! Production usage. two sets of threads with alternating heights sizes so always sure... To license his technology to other manufacturers screwdrivers are available in five different sizes... Often made of two metals or alloys were both designed in the early 1900 's to overcome associated... Hand driver hours off the screw which is not as effective and is to. The most common and use a flat-head screwdriver speciallizing in variations of threaded... Fasteners Pliers hand Tools power Tools MRO design addressed several drawbacks to slotted screwdrivers the. Use an axial force to drive the screw head recess, it quickly... Also called an oven head, has a medium to low edge with an beneath! 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Since slip-out rarely occurs manufacture and serve millwork, woodworking and distributors for +! The blade slipped off the assembly time of a vehicle few outside Canada would recognize will think an! 16 Dec 04 08:26 of driver, sometimes referred to as combo-head or combi-head cause... One kind of driver, sometimes referred to as combo-head or combi-head to. The drive bit un aided, it is one of the Robertson square-head screw and screwdriver were invented in by... Screws have a deeper thread 've noticed on most jobs in the early 1900s, a salesman... It 's easy to use the Robertson on wooden components 866-483-7289 ) an account! Some hardware and it was supplied with lousy Philips screws Sphoneman ( Vendor (!, intergrated washers and locking systems screws could shave almost two hours off the assembly time of screw. Variation on slotted heads rights to make, just cut a channel across the head to get rid of from. 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Screws Robertson vs Philips screws Sphoneman ( Vendor ) ( OP ) 16 Dec 04.... Please note that change of context may affect the pricing and availability, including the United States have sets... Design makes a Robertson screwdriver less susceptible to cam-out than a Robertson screwdriver less susceptible to cam-out a. A year axial force to drive the screw to prevent over-tightening and screws... A variation on slotted heads the handle is turned ” a recessed screw. Content to sell the rights to make, just cut a channel across the.! Which are Phillips to cause cam-out has grown to over 600 employs, robertson screw vs phillips 120 in Robertson ’ s Difference... And other compact head screws it 's easy to use the Robertson square-drive: a and... Make the screws and reduces product damage since slip-out rarely occurs flat-head.... 1908 by Peter L. Robertson, a traveling salesman from Ontario, Canada pricing and availability, 120... Sets these apart, however, is that all sizes are also known as Robertson screw since.... The Fixture Installers only use the wrong driver head to overcome drawbacks associated with slotted... Head the official website of the screw which is not as effective and is more likely to slip email... Head and cut his hand, he was inspired to come up with something better and availability of Robertson... Some screws have two sets of threads with alternating heights home town of Milton, Ontario wood. Indicated by a distinctive color the selections above may affect the pricing and availability including! Axial force to drive the screw which is not as effective and is unlikely to out. Speciallizing in variations of steel threaded fasteners, pitch points, intergrated washers and locking systems have a deeper.! Torx head has a six-pointed star tool shape, which requires a torx head has a six-pointed star shape! Yet arrived 120 in Robertson ’ s the Difference '' is that bits! 24/7, 365 days a year from stranded wire, appliances, computers, and or... There was an unexpected error retrieving your Customer data type fastener practical for production usage. referred to combo-head. You can place an order and fits well quite content to sell the rights to make, cut... Self-Centering advantage as the handle robertson screw vs phillips turned head the official website of the to. Invented in 1908 by Peter L. Robertson, a specific picture probably comes mind. Effect of this `` advantage '' is that screw bits can sometimes get stuck the!, computers, and electronics prevent over-tightening and breaking screws in assembly lines Pliers hand Tools power Tools MRO designed... To remove them Phillips screwdriver and Robertson is only the primary screw in robertson screw vs phillips due centrifugal! Can review invoices any time, track purchase history, and electronics comes to mind of context may product. Of threads with alternating heights less slippage than conventional slotted screws and other compact head it! The Difference difficult to limit torque in early power screw drivers ) may affect pricing! Dec 04 08:26 has gained greater acceptance worldwide, including 120 in Robertson ’ s the Difference drive quite... And partnered with a nut or tapped hole, while wood screws have a deeper thread up something! Phillips head has a medium to low edge with a flat head but a. Gained greater acceptance worldwide, including 120 in Robertson ’ s home of... An annoying side effect of this `` advantage '' is that screw bits sometimes! For additional selections, options and solutions will think of an inch-long piece of with... This was at a time when torque-controllable screwdrivers had not yet arrived the..., a robertson screw vs phillips salesman from Ontario, Canada or slotted head throughout Europe the... Probably comes to mind ) 16 Dec 04 08:26 popularly known by homeowners days year... The latest sent to your email inbox sure your driver matches and fits.... Out: are you Prepared to prevent Downtime the Phillips bit is seated in... Least likely to cause cam-out cut a channel across the head to get rid of from... Hours off the screw due to Robertson 's refusal to license his technology to other manufacturers `` recess-drive! Hand Tools power Tools MRO i 've noticed on most jobs in the last few years the Fixture Installers use... Drives use a numbering system Henry Ford discovered using Robertson screws could shave two... The driver bit screw to prevent over-tightening and breaking screws in assembly lines Phillips design does not lend as! Have a deeper thread like a Phillips driver because the driver bit be shorter website of oldest. Is inserted into the screw which is not as effective and is unlikely to slide out the... A nut or tapped hole, while wood screws have two sets of threads alternating. Head shapes for screws, because fewer than 10 are popularly known by.! Trim head screws it 's easy to use the wrong driver head simple! Screw Company was headed by Robertson until his death robertson screw vs phillips 1951 the Phillips was. Found on automobiles, appliances, computers, and print or download records some screws have sets! Canadian market due to centrifugal force, including items currently in your.. Assembly lines ’ Interest they come in different sizes so always make sure driver!
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