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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Supascrews and Twinqwik screws
Some years ago, Supascrews were introduced, and mixed packs were sold, complete with cross head driver. Yellow plastic tray, with clear flip up lid. Anyway, the name seemed to disappear, although Twinqwik surfaced, and seemed to be the same. Having stocks of a whole range of sizes (and several drivers), I want to top up a few, but neither name seems common now. Does anyone know whether Pozi heads are the same? I don't want to buy, then find the head of the drive is similar, but not quite the same. -- Graeme |
#2
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
"Graeme" wrote in message ... Some years ago, Supascrews were introduced, and mixed packs were sold, complete with cross head driver. Yellow plastic tray, with clear flip up lid. Anyway, the name seemed to disappear, although Twinqwik surfaced, and seemed to be the same. Having stocks of a whole range of sizes (and several drivers), I want to top up a few, but neither name seems common now. As with Goldscrews etc they're just trade names. Twinquick sounds like a twinthread screw. In theory twinthreads are easier to start and drive, which makes them popular with anyone using a lot on a daily basis while single threads have a beefier thread which gives better purchase especially in softwood and MDF. Does anyone know whether Pozi heads are the same? I don't want to buy, then find the head of the drive is similar, but not quite the same. -- Graeme Pozi heads - the actual indentation on the screwhead, bits and screwdrivers come in 3 sizes. Its sometimes possible to get away with using the wrong size, usually accompanied by a crunching noise, a slipped driver and possible swearing. michael adams .... |
#3
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
In message , michael
adams writes Its sometimes possible to get away with using the wrong size, usually accompanied by a crunching noise, a slipped driver and possible swearing. Which is exactly what I am trying to avoid. I don't really want to buy a box or three of 200s, then find they don't match the driver. -- Graeme |
#4
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
"Graeme" wrote in message ... In message , michael adams writes Its sometimes possible to get away with using the wrong size, usually accompanied by a crunching noise, a slipped driver and possible swearing. Which is exactly what I am trying to avoid. I don't really want to buy a box or three of 200s, then find they don't match the driver. -- Graeme You buy screws to match the job, and then choose the appropriate size bit, if using a power screwdriver, or screwdriver, to fit the screw. michael adams .... |
#5
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On 5/16/2017 8:21 PM, michael adams wrote:
"Graeme" wrote in message ... In message , michael adams writes Its sometimes possible to get away with using the wrong size, usually accompanied by a crunching noise, a slipped driver and possible swearing. Which is exactly what I am trying to avoid. I don't really want to buy a box or three of 200s, then find they don't match the driver. -- Graeme You buy screws to match the job, and then choose the appropriate size bit, if using a power screwdriver, or screwdriver, to fit the screw. michael adams ... Exactly. There are only three sizes, you should be able to tell the size of the screwdriver bit at a glance. With a bit of practice you will be able to recognise the screw heads too. And it is normally immediately obvious if you have got the wrong one. Incidentally, if you have much screwing to do, you might be impressed at how good cordless "impact drivers" are. This is one random example https://www.amazon.co.uk/Makita-TD11...=impact+driver Note that it does not include the battery or charger. I actually have the 14.4 volt Makita, personally I would not consider any lower voltage than that. You should buy the tougher bits made for impact drivers, but they are not all that expensive. The bits do wear out, but I find I damage screw heads less often with these than with a conventional drill/driver. The combination of power and controllability is really remarkable. There is some price variation in screws. Trade people normally use the more expensive brands such as Spax or Screwfix Turbo Gold or Goldscrews. FWIW I normally use the cheapest (such as Quicksilver). Sometimes an impact driver will snap the head off. Most woodscrews these days are Pozidrive, but a few specialist types come with Torx or hex (allen-key type) heads. The bits are not expensive. |
#6
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
newshound wrote:
On 5/16/2017 8:21 PM, michael adams wrote: "Graeme" wrote in message ... In message , michael adams writes Its sometimes possible to get away with using the wrong size, usually accompanied by a crunching noise, a slipped driver and possible swearing. Which is exactly what I am trying to avoid. I don't really want to buy a box or three of 200s, then find they don't match the driver. -- Graeme You buy screws to match the job, and then choose the appropriate size bit, if using a power screwdriver, or screwdriver, to fit the screw. michael adams ... Exactly. There are only three sizes, you should be able to tell the size of the screwdriver bit at a glance. With a bit of practice you will be able to recognise the screw heads too. And it is normally immediately obvious if you have got the wrong one. Incidentally, if you have much screwing to do, you might be impressed at how good cordless "impact drivers" are. This is one random example https://www.amazon.co.uk/Makita-TD11...=impact+driver Note that it does not include the battery or charger. I actually have the 14.4 volt Makita, personally I would not consider any lower voltage than that. You should buy the tougher bits made for impact drivers, but they are not all that expensive. The bits do wear out, but I find I damage screw heads less often with these than with a conventional drill/driver. The combination of power and controllability is really remarkable. There is some price variation in screws. Trade people normally use the more expensive brands such as Spax or Screwfix Turbo Gold or Goldscrews. FWIW I normally use the cheapest (such as Quicksilver). Sometimes an impact driver will snap the head off. Most woodscrews these days are Pozidrive, but a few specialist types come with Torx or hex (allen-key type) heads. The bits are not expensive. With a bit more of a glance you can also tell the difference between Philips and pozidrive bits. |
#7
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On 16/05/2017 20:47, newshound wrote:
On 5/16/2017 8:21 PM, michael adams wrote: "Graeme" wrote in message ... In message , michael adams writes Its sometimes possible to get away with using the wrong size, usually accompanied by a crunching noise, a slipped driver and possible swearing. Which is exactly what I am trying to avoid. I don't really want to buy a box or three of 200s, then find they don't match the driver. -- Graeme You buy screws to match the job, and then choose the appropriate size bit, if using a power screwdriver, or screwdriver, to fit the screw. michael adams ... Exactly. There are only three sizes, you should be able to tell the size of the screwdriver bit at a glance. With a bit of practice you will be able to recognise the screw heads too. And it is normally immediately obvious if you have got the wrong one. Incidentally, if you have much screwing to do, you might be impressed at how good cordless "impact drivers" are. This is one random example https://www.amazon.co.uk/Makita-TD11...=impact+driver Note that it does not include the battery or charger. I actually have the 14.4 volt Makita, personally I would not consider any lower voltage than that. 90% of my work is done with a 10.8v Makita impact driver, apart from decking when I use a 14.4v. You should buy the tougher bits made for impact drivers, but they are not all that expensive. The bits do wear out, but I find I damage screw heads less often with these than with a conventional drill/driver. The combination of power and controllability is really remarkable. Interesting, my experience is that the expenssive ones snap just as often as the cheapwr ones. I use the DeWalt ones, about £5 for a box of 20. There is some price variation in screws. Trade people normally use the more expensive brands such as Spax or Screwfix Turbo Gold or Goldscrews. FWIW I normally use the cheapest (such as Quicksilver). Sometimes an impact driver will snap the head off. I've using the Screw Tite from Toolstation, excellent (a bit cheaper than Turbo Gold) if using in timber, or the Quicksilver for use in wall plugs. Most woodscrews these days are Pozidrive, but a few specialist types come with Torx or hex (allen-key type) heads. The bits are not expensive. -- Dave The Medway Handyman |
#8
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
In article , michael
adams wrote: "Graeme" wrote in message ... Some years ago, Supascrews were introduced, and mixed packs were sold, complete with cross head driver. Yellow plastic tray, with clear flip up lid. Anyway, the name seemed to disappear, although Twinqwik surfaced, and seemed to be the same. Having stocks of a whole range of sizes (and several drivers), I want to top up a few, but neither name seems common now. As with Goldscrews etc they're just trade names. Twinquick sounds like a twinthread screw. In theory twinthreads are easier to start and drive, which makes them popular with anyone using a lot on a daily basis while single threads have a beefier thread which gives better purchase especially in softwood and MDF. Does anyone know whether Pozi heads are the same? I don't want to buy, then find the head of the drive is similar, but not quite the same. -- Graeme Pozi heads - the actual indentation on the screwhead, bits and screwdrivers come in 3 sizes. 0, 1, 2 & 3. I have all of them. The biggest was for a car door catch. -- from KT24 in Surrey, England |
#9
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
Just to bring this full circle, having now purchased some modern Pozi screws, I'm delighted to say that my original and ancient GKN drivers are a perfect fit. Not surprising, given that one of the links supplied quoted GKN as the inventor of Pozi. -- Graeme |
#10
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On Wed, 24 May 2017 22:30:52 +0100, Graeme wrote:
Just to bring this full circle, having now purchased some modern Pozi screws, I'm delighted to say that my original and ancient GKN drivers are a perfect fit. They should be. Not surprising, given that one of the links supplied quoted GKN as the inventor of Pozi. If it said that GKN were the inventor then it was incorrect, GKN licenced the design from the Philips Screw Company. The trademark was first registered in 1960 https://trademarks.justia.com/720/91...-72091320.html -- |
#11
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On Wed, 24 May 2017 20:15:33 +0100, charles wrote:
Pozi heads - the actual indentation on the screwhead, bits and screwdrivers come in 3 sizes. 0, 1, 2 & 3. I have all of them. The biggest was for a car door catch. PZ4 also exists http://www.screwfix.com/p/erbauer-im...ack-of-3/19364 https://www.distrelec.de/en/screwdri...200/p/30035131 -- |
#12
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On Wednesday, 24 May 2017 23:34:28 UTC+1, The Other Mike wrote:
On Wed, 24 May 2017 20:15:33 +0100, charles wrote: Pozi heads - the actual indentation on the screwhead, bits and screwdrivers come in 3 sizes. 0, 1, 2 & 3. I have all of them. The biggest was for a car door catch. PZ4 also exists http://www.screwfix.com/p/erbauer-im...ack-of-3/19364 https://www.distrelec.de/en/screwdri...200/p/30035131 and PZ00 NT |
#13
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On Tuesday, 16 May 2017 18:45:41 UTC+1, Graeme wrote:
Some years ago, Supascrews were introduced, and mixed packs were sold, complete with cross head driver. Yellow plastic tray, with clear flip up lid. Anyway, the name seemed to disappear, although Twinqwik surfaced, and seemed to be the same. Having stocks of a whole range of sizes (and several drivers), I want to top up a few, but neither name seems common now. Does anyone know whether Pozi heads are the same? I don't want to buy, then find the head of the drive is similar, but not quite the same. -- Graeme You can get a screwdriver handle that accepts power screwdriver bits. Mixed bits come in boxes of around 20 or so. The bits will fit in an ordinary (mains) electric drill though you have to be careful. |
#14
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On Tue, 16 May 2017 18:44:53 +0100, Graeme
wrote: snip Does anyone know whether Pozi heads are the same? I don't want to buy, then find the head of the drive is similar, but not quite the same. The text on this page seems to state that the SUPADRIV was an improvement on the Pozi. https://www.google.com/patents/US4464957 Good comparison picture of the two heads at stage 14 he- http://www.instructables.com/id/When...ot-a-Phillips/ |
#15
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
In message , Geo
writes The text on this page seems to state that the SUPADRIV was an improvement on the Pozi. https://www.google.com/patents/US4464957 Interesting. Thank you. -- Graeme |
#16
Posted to uk.d-i-y
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Supascrews and Twinqwik screws
On Tuesday, May 16, 2017 at 6:45:41 PM UTC+1, Graeme wrote:
Some years ago, Supascrews were introduced, and mixed packs were sold, complete with cross head driver. Yellow plastic tray, with clear flip up lid. Anyway, the name seemed to disappear, although Twinqwik surfaced, and seemed to be the same. Having stocks of a whole range of sizes (and several drivers), I want to top up a few, but neither name seems common now. Does anyone know whether Pozi heads are the same? I don't want to buy, then find the head of the drive is similar, but not quite the same. -- Graeme these are different screws with different shaped driver tip, can be identified from pozi by head pozi is marked by 2 lines in form of a cross, supa by a single line Philips is not marked, I don't know if they are still available. |
#18
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Supascrews and Twinqwik screws
Brian Gaff wrote: what are the screws called with a kind of posi head but with a slot as well? Modulo. |
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