Talk:Hex key

message: Added. — ¾-10 02:46, 10 November 2008 (UTC)
thread_title: History and nomenclature with refs

message: This article would benefit from an explanation of the origins "Allen", as these keys are also known. Any clues? Andrew Oakley (talk) 11:29, 30 March 2009 (UTC)
replies: text: It already states that info in the History section. Wizard191 (talk) 13:27, 30 March 2009 (UTC)

text: Interesting. I was not aware of these internal-wrenching octagonal sockets that predated the hex socket. My gut instinct suggests that the echo of the name (Ethan Allen vs Allen Manufacturing Company of Hartford, Connecticut) is just a coincidence. But it would be interesting to look into it. — ¾-10 23:29, 3 February 2011 (UTC)
thread_title:  Etymology 

message: Is "stoicastically" a real word?  I suspect it's a misspelling of "stochastically", but even if it is, the sentence is opaque.  Are the measurements truly random, or does it mean there some Monte Carlo method analysis?  Someone who knows what this means should change it some the rest of us can read it.    Randall Bart    Talk   07:29, 21 April 2009 (UTC)
replies: text: The proper word is stochastically, which encompasses the Monte Carlo method. I've corrected the article. Wizard191 (talk) 14:29, 21 April 2009 (UTC)
replies: text:  I think it was added by an anonymous contributor: see the diff here and, even with the correct spelling, hardly makes any sense. It looks more like a joke. If nobody comes up with a reason why it should be left there, I will erase that sentence. HumphUK (talk) 22:32, 22 January 2011 (UTC)
replies: text:  I've never understood it here, but I left it alone because I'm a statistical/mathematical layperson (i.e., when it comes to advanced applied math, I can only catch-as-catch-can and let the rest flow over my head), so I didn't have any basis for second-guessing it. But if anyone with higher math abilities can tell that it's misguided, I encourage removal. The burden of proof is on the original contributor to come back and re-add it with better explanation and/or refs if it's truly important to have here. Regards, — ¾-10 18:21, 23 January 2011 (UTC)
replies: text: It doesn't make any sense to me either, so I removed it. Wizard191 (talk) 18:54, 23 January 2011 (UTC)
thread_title:  stoicastically 

message: Does anyone have a reference to an industry standard for metric hex keys?  The ASME standard only defines the 'inch' series; the metric data or source would be great.  —Preceding unsigned comment added by 12.191.184.2 (talk) 21:40, 11 February 2011 (UTC)
replies: text: I searched at iso.org for "fasteners" and got 72 hits, some of which looked interesting. The most relevant title was ISO 272:1982 "Fasteners -- Hexagon products -- Widths across flats". Others that looked juicy were ISO 8992:2005 "Fasteners -- General requirements for bolts, screws, studs and nuts" and ISO 1891:2009 "Fasteners -- Terminology". But sadly the paywall threshold is CHF 44,00 high, so I can't afford to venture inside. God bless 'em, they need money to do what they do. Hope this helps. — ¾-10 23:01, 11 February 2011 (UTC)
thread_title:  Tool standards 

message: The article claims that due to the very close sizes 5/16in and 8mm keys are interchangable. Afaict imperial drivers are ok in metric sockets but metric drivers won't nessacerally fit in imperial sockets (having tried two on the imperial socket I have here one fits tightly and the another simply won't go in). I don't have a cite for this but the current statement in the article isn't cited either. Plugwash (talk) 13:44, 1 March 2011 (UTC)
replies: text: Depends on the tolerances and allowances that the given wrench and fastener are made to. The closest pairs, with ≤0.05mm diff (i.e., 4mm–5/32, 19mm–3/4) pretty much always work. The slightly farther ones, with diffs from 0.05mm to 0.15mm (i.e., 8mm–5/16, 11mm–7/16, 16mm–5/8) often work. It seems that in some cases the makers use an undersize allowance from nominal to make sure that the "often" extends to "likely"—i.e., that it fits on the one end of the range at the expense of tolerable looseness on the other end. In fact on some lug wrenches this principle is carried to an almost comical level. On a four-ended brace, they mark each end nominally as 19mm–3/4, 21mm–13/16, 22mm–7/8, and 24mm–15/16. They're using the larger of each pair for the female socket and banking on the fact/theory (depending) that it'll work on a male of the lesser of each pair without heartbreak. It often does. The diff from 22mm to 7/8 is >0.20mm, and from 21mm to 13/16 is >0.35mm. Gettin pretty sloppy at that point. — ¾-10 23:58, 1 March 2011 (UTC)
replies: text: Is this info even appropriate for an encyclopedia article on hex keys? I don't think so... Wizard191 (talk) 18:45, 9 March 2011 (UTC)
replies: text: Meh, I would say keep it, but I wouldn't be upset if either of you guys chose to delete it. Ideally I think all such info brought together (interesting coincidental alignment points between SI and non-SI, and their practical uses) would make a nice section of an article somewhere in WP's coverage of applied metrology or of MRO (or maybe even just of wacky grade-school math games that cause kids to think about measures), and for all I know, such a home may already exist. In other words, I think it should be discoverable somewhere on WP, but I currently have no urge to insist on its inclusion in any particular article. — ¾-10 02:14, 10 March 2011 (UTC)
replies: text: That's just it, I think it's outside the scope of this article. Maybe something can be added to inch or if you attack it from a different angle list of screw drives. Wizard191 (talk) 16:38, 16 March 2011 (UTC)
thread_title:  8 mm drivers in 5/16 sockets 

message: A wrench (aka spanner) is a lever made to fit around a keyed shaft to provide external torque, while a key is a lever designed to fit within a keyed hole to provide internal torque. In other words, this is not a wrench. I have updated this in the first sentence of the article. Sp4i6 (talk) 15:56, 29 April 2014 (UTC)
thread_title:  Terminology 

message: I agree imbus is a misspelling but it's actually the correct and most-used form in Romanian. That's because there's a grammar rule that says m should come before p and b, instead of n. There are some exceptions to this, like 'Istanbul', but 'Istambul' is also sometimes accepted. Since inbus has been depersonalized (or debranded) the evolution has likely dictated that it follows the common grammar rules. It might be the same case in other languages as well. Disclaimer: I am not a linguist.
21:00, 20 September 2015 (UTC)
thread_title:  Imbus 

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thread_title:  External links modified 

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thread_title:  External links modified 

message: Although it is a common assumption that Allen invented the socket head capscrew (SHCS), that is not the case.  The SHCS was invented by the founders of Standard Pressed Steel (SPS Technologies).  It appears that Allen was the first to mass-produce the SHCS and did file a patent for it, which seems more to cover the production of the SHCS by cold-heading and thread-rolling than the product's design details.  I made a notation in the article.  I'm sure it will start some arguments.  ☻
:216.152.18.131 (talk) 00:21, 17 October 2020 (UTC)
thread_title:  History 

message: I suggest a demo showing how to use one.  I do not know how to do that.  Jokem (talk) 04:30, 31 October 2023 (UTC)
thread_title:  Demo