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 Screwdrivers Your email address will not be published.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

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