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Important FYI for any Americans who don't know: Ikea screws are not Phillips, they're actually Pozidriv, which is different enough to matter. Do not use a Phi
by Lionsion 8y ago
Important FYI for any Americans who don't know:
Ikea screws are not Phillips, they're actually Pozidriv, which is different enough to matter. Do not use a Phillips screwdriver to assemble Ikea furnature, as that combination will easily cam out and ruin the (typically soft metal) screw. It's easiest to buy the correct Pozidriv screwdriver bits from Ikea, but they're also available online.
My understanding is that Pozidriv is as popular in Europe as Phillips is in America. They look so similar that you probably won't know the difference unless you're told about it.
https://en.wikipedia.org/wiki/List_of_screw_drives#Pozidriv https://en.wikipedia.org/wiki/List_of_screw_drives#Pozidriv:
> Pozidriv and Phillips are not interchangeable. While Pozidriv screwdrivers fit Phillips screws, they may slip or tear out the Phillips screw head. Conversely, while Phillips screwdrivers will loosely fit and turn Pozidriv screws, they will cam out if enough torque is applied, potentially damaging the screw head or screwdriver.
- mattmillr 8y agoIkea sells a $8 tool set that includes three sizes of Pozidriv bits - and other bits that perfectly fit their various connectors. It's well worth the cost if you're planning to assemble anything you got from IKEA and not lose your mind.
- pasbesoin 8y agoThey also have, or had, a circa $25 corded drill kit for sale (going by memory of briefly seeing, a year or two ago). If someone doesn't have a drill and is contemplating purchasing and constructing a substantial piece of IKEA furniture, such as my parent's TV stand -- lots of bits to screw together. Under those circumstances, I suggest maybe they want to buy one of the drill kits. I expect you can get a better corded drill elsewhere, and buy the relevant bits, for not much more. But, KISS, with regard to the amount of shopping to be done. P.S. Well, what do you know. US $20, now, and cordless. https://www.ikea.com/us/en/catalog/products/00196101/ https://www.ikea.com/us/en/catalog/products/00196101/
- mindslight 8y agoIMHO if you're getting something for infrequent use, avoid batteries as they'll just go bad when sitting around unused.
- pasbesoin 8y agoThat's a good point, in general. In this case, I think there may be a few additional factors. In the U.S., at least, many may view $20 as a "throwaway" level purchase to improve the assembly effort of the furniture they're purchasing/assembling. Assembly is frustrating. A power tool and appropriate bits help, but then negotiating a cord takes it back somewhat in a negative direction. Plus, it's probably difficult and expensive to made and sell such a drill with a usefully long power cord. So, the purchaser then also need to negotiate acquiring and using an extension cord. And, you don't want them using the cord they use for that lamp in the corner; the drill's potential draw likely exceeds the rating of the extension cord most users will end up plugging it into. IKEA has some language on the cordless drill's page specifically describing it being engineered to avoid idle battery drain. People love cordless. Cordless sells. Many of them have no clue about what you describe, and meanwhile, cordless sells. :-/
- deleted 8y ago[deleted]
- nsxwolf 8y agoAmazing that this has never met my attention. Why doesn't IKEA make this more clear?
- simonbarker87 8y agoProbably because there are little marks on the top of each pozidrive screws that indicate it is different. The don’t explain it in Europe either, it’s just a thing you should notice and account for when building stuff. I would put identifying pozidrive vs Phillips in the same camp as just knowing how to use a screw driver but perhaps I’m being harsh
- kps 8y agoParochialism-induced harshness — what could go wrong? POZIDRIV® bits are practically unheard of here (Canada); you have to go out of your way to find them, on the level of triwing or pentalobe, or JIS.
- jerrysievert 8y agoI have triwing and pentalobe bits (Oregon), but this is the first time I've heard of POZIDRIV®, no wonder I've had so many Ikea mishaps.
- grmarcil 8y agoI think from your comment you may be from Europe, so in that case for added context, you may be underestimating how uncommon Pozidriv screws and screwdrivers are in the United States. I have never seen a Pozidriv screw on any manufactured product other than Ikea furniture in the US. You cannot buy Pozidriv screws or drivers at major hardware stores (try searching "Pozidriv" on Lowes, Home Depot, or Ace Hardware), with the exception of one or two drivers that are in stock online only. So consider that this is an extremely rare fastener format in the US market, and which looks almost identical to Phillips (the most common US screwdriver). I think many people like myself who are interested in tools and hardware are aware of Pozidriv and can identify it easily, but I can completely see why the average US consumer mistakes it for Phillips.
- miketuritzin 8y agoI found this out a few years ago after stripping several IKEA screws and getting incredibly frustrated. Bought a couple Pozidriv screwdrivers on Amazon, and they worked like a charm.
- devy 8y agoIMMO, IKEA should switch to use square drive or torx drive to better eliminate the risk of cam-out. Pozidriv is more complex to manufacture (than Philips drive) but arguably less resistant to cam-out than sqaure drive (easier to manufacture too) or torx drive.
- vertexFarm 8y agoUgh, except Pozidriv will still cam and tear up their own screws, and same with Phillips. That's the secret to this tidbit of information that is never included. They're both trash fasteners when used with a slightly different driver, but they're also trash even when used correctly. Robertson for life. When I was young I had a job assembling furniture and that, along with a couple Allen socket fasteners, was the only thing we used. Phillips fasteners that came with assemblies went straight into metal recycling to hopefully get born again as something worthwhile. You can practically drive a Robertson head straight through the center of the Earth with the amount of torque it handles. Never have to waste time drilling pilot holes. If I was made dictator for a day, I'd immediately outlaw Phillips and Pozidriv. Even flat head is better than those pieces of junk. There are a lot of Phillips fasteners that will also fit a Robertson bit. Just try both with the same screw. It's ludicrous how instantly you'll realize the Robertson is better.
- devy 8y ago> Even flat head is better than those pieces of junk. I would argue that flat head is the worst. They are not designed to be used with power tools.
- vertexFarm 8y agoPhillips isn't properly designed for power or hand tools. If it strips with a screwdriver, it's definitely going to strip with a drill. I've rarely seen power-driven Phillips screws that didn't have some sign of stripping, even using torque limiters and even on things fresh from the factory. At least flat head takes uneven torque from hand tools well. It also allows improvised tools to be used in the field. If I'm working on say an off-road vehicle like a dirt bike, I'm going to tend to use just one size of hex bolt (usually 10mm) and flat heads for the screws.
- devy 8y agoI am not arguing for Philips. But flat head has 2 less contact surfaces so definitely even more easily to cam-out.