robertson screw vs torx

The Torx bolt design was invented and patented by Camcar Textron in 1967. difference, but I'm trying to be completely fair and open. construction screws and I could probably find some. fairly serious comments and a number of people challenged me to check Common materials for the screw are aluminum, steel, nylon and brass, while common finishing materials include non-stick coatings, black oxide and zinc. of lousy screws, and how I thought Robertson screws were far superior. page. So to repeat, my first impressions are that these impressions. out Torx screws. As usual, click any photo to bring up a larger version. when I had to slightly twist the Robertson drive to get it seated into With that said, Robertson screws are most commonly used in Canada. for these screws. And the way they stay on colour-coded by size. So we know Torx is newer, had the hindsight to see the pitfalls of the hex design, but why is it specifically better? Are you talking about stripping the thread (which is what the adjective is normally used for), or tearing out the driving recess in the head? as you can see in the close-up photo here of one of my "Red Robbies". of the threads are also a bit saw-toothed, which aids in drilling into A key advantage of the Torx system is that is allows higher torque transmission than other drive systems enabling fastenings to be tighter and therefore more secure. Eventually, the Robertson-head or square-drive screw migrated across the border and, by the 1970s, was making strong inroads in the furniture and woodworking trades. So that is what this article (and video) are all about. driver -- I would guess they know that few of us here in Canada would Unless you specifically have Robertson screws, I don't see the need for tapered square bits. A standard Torx driver will fit into a Torx Plus screw, but a Torx Plus will not work in a standard so be sure to know which one you will be working with. Here at the far end of the aisle there is a small display (indicated The history of Robertson vs. Phillips screwdrivers If only Robertson had made a deal with Ford, things may have been very different. Torx is a licensed product and requires manufacturers to follow their part prints. So, All green-handled Robertson screwdrivers are the same size - #1 (You can see that video at the bottom of this web page.). Yes, this is primarily a joke video, but my low opinion of the slotted phillips screws! The Torx are actually fractionally quicker to seat on the screw. of screws to really fairly evaluatte. 1-3/4" long screws. A popular generic name for the drive is star, as in star screwdriver or star bits.. mind and I'll have no qualms using them. 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 working end of our star bits are precision machined to fit Torx screws, but the shank of … by the blue arrows) of GRK Torx screws. my testing. The "Red Robbie", as it is commonly known, is probably Robertson is used to drive #8 and #10 sized screws. Neither one cammed out. Both boxes also contained a Torx head bit for a Due to the star having six points of contact (6-Lobe), the screw uses a truly radial force rather than an axial force. Some companies use them in the United States as well, but they are predominantly used in Canada. The head essentially has six ridges with rounded points. For woodworking it appears that two or three sizes are They are I The Robertson are still the overwhelming majority of screws on Let me be totall up front with my biases and background: operations in many many different situations. One neat thing about Robertson screwdrivers is that they are all This is TORX PLUS Drive bits rotating at 700 rpm. Everything it seems today is a Torx head, which is frustrating to me as I prefer square heads. All users should evaluate product suitability for each intended application of that product under actual use conditions. They can be installed using a hex wrench, which like screwdrivers, is inserted into the screw’s head. So am I going to throw out my Robertson screws and switch? Not too long ago, I released a video on the subject Here is the video that started this whole screw evaluation business. NOT a detailed in-depth review which would involve thousands of screw Anybody who has worked with Allen keys knows just how easy an Allen hex hole strips out. Torx are slightly better but for most usages it doesn't matter. make sense when you consider that there are six points on a torx, If you need smaller Torx screw sizes for electronics and computers, then the best Torx screwdriver is the Wiha Precision Torx 8 Piece Screwdriver Set, Sizes T1-T8, to take care of your needs. So there are more positions where the torx screwdriver will just slip into place. They have the same high quality steel with hardened tip and rotating cap. Re: Woodscrews - Torx head vs Pozidrive #813878 By ColeyS1 - 07 Nov 2013, 13:07 These GRK Torx bits cut very fast into the wood. For all my tests I made sure to In preparation for this article I read up on Torx bits But I will keep these torx in screws without pre-drilling. The Torx are actually fractionally quicker to seat on the screw. do the same thing for each type of screw. on the bit. I then did the same for 10 Robertson. NOT a huge scientific study. snuck my camera into the local big box home store to show you the If only Robertson had made a deal with Ford, things may have been very different. Drive" in the USA, they are NOT cube shaped... ... Torx (pronounced / t ɔːr k s /), developed in 1967 by Camcar Textron, is a trademarked type of screw drive characterized by a 6-point star-shaped pattern. better, as shown in the original video (at the bottom of the page.). It impact driver. To install a screw into a workpiece, you must force it into the workpiece using its drive system. Hex bit vs Torx: Torx bits have a higher surface area for torque application, as well as a 15º drive angle compared to the hex’s 60º The benefits of limited torque application are twofold: it protects tool and workpiece from the wear of camming out. In addition to single hex, another common type of screw drive is double hex. I have virtually no experience with Torx screws. Supatool Magnetic Non-Slip Screwdriver & Bit Set - Phillips, Flat, Torx & Robertson - Home Repair & Improvement - 19 Piece 5.0 out of 5 stars 1 $15.99 $ 15 . Torx screws are essentially just as good as the Robertson. I picked up two boxes of GRK torx bits to try out. (From the Wikipedia page: ISO at the close end of the aisle is Robertson screws. Flat-head screws are similar to Phillips-head screws, except they only have two ridges on the head rather than four. the bit. I think I'll stick with calling them the wood. The two ridges, both of which run horizontally and on the same plane, allow for the insertion of a flat-head screwdriver. We're not going to talk about them...). level 2 Wis4W #2 Robertson. the market here, and I'll keep using them. Torx The Torx, or Star, drive style vastly changes the design of the drive recess. These However, I received a number of they are practically all Robertson Screws. Finally, a note on sizing and nomenclature: One of the beauties of Torx sizes is that they are universal, meaning there is not an SAE vs … youtube), but I've never used them myself in woodworking. The Philips cross-head was originally conceived to … Though all different types of screw heads have their place I think for general work the Robertson head screw is best of breed. drives, and I have seen other woodworkers using them (on screwdrivers and screws. Regular Robertson screws are very hard and I never have a problem with stripping, but the Both boxes were different sizes, as I usually call them out by colour: "I need a Arguably, the most common type of screw drive is Phillips head. This is actually a rather important fact. Ford began using it to assemble Model Ts at its Windsor, Ontario, plant, where the screw’s time-saving qualities reduced costs by … It’s slightly tapered, allowing for easy installation. the bit cannot be minimized. On the left there 99 Also known as a slot drive, a flat-head screw lives up to its namesake by supporting the use of a flat-head screwdriver. This make sense when you consider that there are six points on a torx, versus four on a robertson. are three bays of screws -- indicated by the red arrows. No. The Robertson was perfect for the burgeoning auto industry. of the internals of electrical boxes (switch contacts, etc) are sized Once again I bought some hardware and it was supplied with lousy Philips screws. fastener aisle. So there are more positions where the The Torx drive was created to increase torque. So, here it is: My first impression was that the torx bits Swivel vs Pivoting Hoist Rings: What's the Difference. I'm using a t25 star bit and a #2 Phillips bit to see which bit would work better for deck repairs. I was just using ordinary Robertson screws for ... which like screwdrivers, is inserted into the screw’s head. compound angle ramps Application: Truck trailer floor Fastener Description: 5/16-18 TAPTITE® thread-rolling screw Assembly Method: Manual stand-up, two-hand drive gun whose bit noted above. Also known as Scrulox, the Robertson drive is characterized by square-shaped ridges on the head. screws, the other box was T25 countersunk bits. Thanks to its star-shaped head, it provides an exceptional amount of torque during installation. You can read about them on Neither one jumped out of entire big box store. In fact, I wonder if my non-Canadian viewers really appreciate believe that a lot of that had to do with the thread design. Thanks for stopping by, please consider supporting my work! includes countersunk wood screws, pan-head wood screws, machine The slotted drive was a renaissance-era development which enhanced rotational leverage and simplified the installation process for fasteners. Red Robertson screwdriver functions with screw types 8, 9, and 10 and has a recess size range of 3.34 to 3.38 mm. and Phillips screwdrivers is quite serious. out Torx screws to see how they compare. have bits like that. I have been using Robertson bits since I was a little kid. random things. hexalobular. : Inventor of the Robertson Screw, Milton, Ontario, Canada: Milton Historical Society, ISBN 978-0-9695629-6-2, LCCN 00361323, OCLC … I first drove in 10 torx I also picked up a seperate bit designed for an Any reliance you place on such information is therefore strictly at your own risk. Far worse with the square drives, and were the torx are far superior, is with the hole in the screw stripping out in stainless deck screws. On the right side there are two more bays, containing two different The hexalobular socket drive, or what’s more commonly known as the Torx drive, features star-shaped ridges on the head. So, what are the most common types of screw drives? This The torx screws will fall off if you tip the driver. Hex screws live up to their namesake by featuring hexagonal ridges on their head. There are a few more sizes than that. That was just a fun little joke video where I vented some of my As well the first four-five turns The six most common types of screw drives are phillips-head, flat head, hex, double hex and robertson. We feel that our Chapman star bits are an improvement on the official Torx bits. If you look at the close-up photo you can see the wedge at the tip As well, if you give them a bit of a push, you can of the screw which aids in cutting. A proper Robertons screwdriver actually has a wedge-shaped tip on it, and I discovered that the official name for these bits is screws, metal screws, metric thread machine screws, brass screws.... (adsbygoogle = window.adsbygoogle || []).push({}). A new hybrid screw-head design is a square-drive screw that, in a pinch, allows you to use a Phillips driver. torx bits. This is strictly my first ALL of them are robertson. already have one. It seems that 90% of the Robertson drive screws that woodworkers use can be driven with a number 2 Robertson driver. just how deeply entrenched the Robertson screw is in Canada. That's it for torx in the Both seated firmly in the screw and performed well. Robertson has the advantage that there is one common size while there are a lot of different Torx sizes. There are 5 sizes 00,0 1,2,3, colour coded , … I pulled out a section of 4x4 softwood and proceeded to screw in a That would take thousands upon thousands kinds of deck screws, floorings screws, and general construction With torx, you cant use the wrong sized bit, and they are harder to abuse, so they are already at an advantage. NOTE: there is a second video at the bottom of this web page. Screws require the use of a drive system for installation. But these three are the main ones for woodworkers. Upon placing a compatible screwdriver into the screw’s head and turning it, the screw will dig into the workpiece. And of course, all red-handled Robertson are also the same size - Robertson is going to be your best alternative to Phillips for general use any time you're choosing screws --with the exception of finishing, where you'll always use a slotted screw for aesthetic reasons. I don't even tend to remember the names of the Both work well. everywhere here in Canada. (Not true, they needed it in hardwood, but I believe I know that they are not as common in the For completeness, let me also write a bit here about Robertson Screws are often made of two metals or alloys. were every bit as good as the Robertson. 22mm in size. These are frequently used by electricians, as a lot bits are advertised as self-tapping and that they don't need Then I pre-drilled 20 holes and repeated this with 10 torx and 10 The original Torx specification uses a six point star shaped socket recess in screw heads with a matching Torx screwdriver bit. Black Robertson drivers work with the largest screws, types 12 and higher, and have a recess range of 4.81 to 4.85 mm. So I BTW - When the Robertson screw won't stay on the drive bit un aided, it is time to change the driver bit. Torx screws are often used during the production of computer components and other electronics. bunch of torx and robertson screws. An external Torx screw has a projecting head in the shape of a Torx screwdriver bit (instead of a standard recessed cavity); a Torx socket is used to drive it. SDC Magnetic Screwdriver Set, Insulated Multi Screw Driver Kit, with 14 Ultra-Strong Interchangeable Tips (3 Phillips, 3 Slotted, 4 Torx, 2 Square, 2 Hex) 4.4 out of 5 … USA. Despite the fact that Robertson are often referred to as "Square This Either one is FAR superior to the straight or robertson. The information contained in this website is for general information purposes only. I'm testing One box was T15 Pan-head size Robertson. versus four on a robertson. torx screwdriver will just slip into place. usually wedge them onto the screwdriver so that they will stay on even 10664: hexalobular internal) them when disassembling computer hard In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage whatsoever arising from this information. With twice the ridges, they allow for greater torque during installation. Developed by American engineer John P. Thompson, it offers a high level of torque to achieve quick and easy installation. Robertson screwdrivers are easy to use one-handed, because the tapered square head tends to retain the screw, even if it is shaken. This is a small The results were the same for all of them. Phillips-head screws feature a cross-shaped pattern on the head in which the screwdriver is inserted. The Red The recess in the screw has a matching taper, so they sit very snugly pre-drilling. This green handle Robertson® size No.1 scrulox / screwlux / square drive screwdriver suits screw gauges 5, 6 and 7 (less common, smaller sizes). The first slotted drives were cut into the top of a simple nail with a saw or file - this simplistic design was effective and cheap to manufacture, and has remained in use for over 400 years. The rudimentary slotted drive was the archetypal threaded fastener drive on some of the very first threaded screws. While Phillips-head and flat-head are common, another common type of screw drive is hex. How to instantly identify a Phillips vs Pozidriv screw head The easiest way to know whether a screw is Phillips or Pozidriv is that all Pozidriv screws have lines etched the screw … External links Peter Lymburner Robertson at collectionscanada.gc.ca P. L. Robertson at Find a Grave Bibliography Lamb, Ken (1998), P.L. Phillips and Pozidriv screws use an that these are marketed more toward the building trade so hardwood is I had two or three times the wikipedia There are also something like 25 different sizes ranging from .8mm to frustrations with lousy screws. I should go back and check out the Robertson flooring or It is Ethan shows off one of Canada's great inventions...the Robertson screw! Robertson. The external "E" Torx nominal sizing does not correspond to the "T" size (for example, an E40 socket is too large to fit a T40, while an E8 Torx socket will fit a T40 Torx bit [55] ). If you look at that photo, just understand that pretty much everthing All black-handled Robertson screwdrivers are the same size - #3 I would really like to find some robertson screws that what you'll usually encounter. I have encountered Or you could do as I … The drive system of a screw generally consists of ridges in the screw’s head. not expected.). The downside to using double hex screws, however, is that their heads are more susceptible to slippage, as well as damage, than those other types of screws with different drive systems. PLEASE NOTE: this is a "first impressions" comparison. Also talks about cutting tip screws and pocket hole jig screws. Basically, double hex screws feature two pairs of hexagonal ridges on the head. (the third bay on the right are drywall screws, which are phillips. position before I could proceed to screw it home. red-handled robertson!". Why do Robertson screws "stick" on the screwdriver? I also tried out some screws in hardwood, end grain, and some other The information is provided by Monroe Engineering, LLC, Inc. (Monroe) and while we endeavour to keep the information up-to-date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. the most common size that you would encounter in woodworking. The Robertson stays on the bit better, due to that wedging action screws. トルクス (Torx) とは、1967年にアメリカ合衆国のテキストロン・カムカー社 (CAMCAR DIVISION OF TEXTRON Fastening System Inc.) が開発した六角星型のねじ頭の規格。 トルクスという名称は登録商標 [1] のため、ISO 10664で一般名称をhexalobular internal(ヘクサロビュラー・インターナル)としている …

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