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The lounge Relax, take a break from photo and camera talk - have a chat about something else for a change. Just keep it clean and polite!

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  #16  
Old 18th June 2017
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Re: Which is best?

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Originally Posted by drmarkf View Post
You're not originally from Yorkshire by any chance, are you, david?
Close to the Welsh border in Cheshire with Welsh ancestors which could explain it.
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  #17  
Old 18th June 2017
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Re: Which is best?

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Close to the Welsh border in Cheshire with Welsh ancestors which could explain it.
Are there sheep involved?
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  #18  
Old 18th June 2017
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Re: Which is best?

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Originally Posted by Naughty Nigel View Post
Are there sheep involved?
Neigh, neigh.
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  #19  
Old 18th June 2017
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Re: Which is best?

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Originally Posted by Naughty Nigel View Post

Anyhow, does the user manual explain why there are so many different sizes of key?
I think so but the menu is too confusing and talks of assingning functions to different keys and cross points and groups of nine so I gave up.
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Old 18th June 2017
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Re: Which is best?

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Originally Posted by David M View Post
On an actual serious note, Google Robertson head screws. A Canadian screw head designed to confuse Americans.
Well it seems Robertson misses out on any recognition 'cause our replaced decking was screwed down with No 2 Square Drive heads.
https://www.bunnings.com.au/zenith-1...-pack_p2410149 Actually, these weren't as strong as the hardened steel ones the builder used though, with a 'cheese head' .
And the drive bits. http://www.thefastenerfactory.com.au...bit-sq2-x-50mm
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Old 18th June 2017
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Re: Which is best?

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Originally Posted by Ross the fiddler View Post
Well it seems Robertson misses out on any recognition 'cause our replaced decking was screwed down with No 2 Square Drive heads.
https://www.bunnings.com.au/zenith-1...-pack_p2410149 Actually, these weren't as strong as the hardened steel ones the builder used though, with a 'cheese head' .
And the drive bits. http://www.thefastenerfactory.com.au...bit-sq2-x-50mm
Interesting, it looks awfully like a Robertson drive. I actually came across Robertson screws in the UK in the '90s. They were supplied to assemble a garden shed which as it turned out was made in Canada. There was a Robertson drive screwdriver bit included so as not to confuse us Brits.
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  #22  
Old 18th June 2017
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Re: Which is best?

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Originally Posted by David M View Post
Interesting, it looks awfully like a Robertson drive. I actually came across Robertson screws in the UK in the '90s. They were supplied to assemble a garden shed which as it turned out was made in Canada. There was a Robertson drive screwdriver bit included so as not to confuse us Brits.
Yes, in some packets of SQ2 screws they also include a bit (or at least they did a few years ago). I noticed there is an SQ3 as well but SQ2 is the norm here in all the screws I've seen (or used). The square design is so simple & positive in drive it is a wonder it wasn't used many years ago instead of a hex drive.
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Old 18th June 2017
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Re: Which is best?

If you look on You Tube there are plenty of videos showing you how allen keys work. I would start with 'unboxing my allen keys' although it sounds as if you have already rushed in and bypassed this step, which is a pity. Please bear in mind that allen keys have been specifically designed to round the slot in the screw head, so if this is not the result you are after I would stick with your sledge hammer. It is what I always use.

Ron
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  #24  
Old 19th June 2017
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Re: Which is best?

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Originally Posted by Olybirder View Post
It you look on You Tube there are plenty of videos showing you how allen keys work. I would start with 'unboxing my allen keys' although it sounds as if you have already rushed in and bypassed this step, which is a pity. Please bear in mind that allen keys have been specifically designed to round the slot in the screw head, so if this is not the result you are after I would stick with your sledge hammer. It is what I always use.

Ron
Yep, & if it doesn't go in just get a bigger hammer & hit it harder!
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Old 19th June 2017
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Re: Which is best?

Quote:
Originally Posted by Olybirder View Post
It you look on You Tube there are plenty of videos showing you how allen keys work. I would start with 'unboxing my allen keys' although it sounds as if you have already rushed in and bypassed this step, which is a pity. Please bear in mind that allen keys have been specifically designed to round the slot in the screw head, so if this is not the result you are after I would stick with your sledge hammer. It is what I always use.

Ron
Quote:
Originally Posted by Ross the fiddler View Post
Yep, & if it doesn't go in just get a bigger hammer & hit it harder!
I found a Roberts product! It must have been inspired by the American Screw Driver (hammer). https://www.bunnings.com.au/roberts-...-pack_p6828129
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I fiddle with violins (when I'm not fiddling with a camera).
Cameras: OM-D E-M1 & Mk II, Olympus Stylus 1, OM-D E-M5.
Lenses: M.ZD40-150mm f2.8 PRO Lens with MC-14, M.ZD12-50, M.ZD60 Macro, M.ZD75-300 Mk II, MMF-3, ZD14-54 II, ZD12-60 SWD, ZD50-200 SWD, EC14, EC20, EX25, Sigma 150mm F2.8 APO Macro DG HSM.
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Old 19th June 2017
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Re: Which is best?

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Originally Posted by Ross the fiddler View Post
Yes, in some packets of SQ2 screws they also include a bit (or at least they did a few years ago). I noticed there is an SQ3 as well but SQ2 is the norm here in all the screws I've seen (or used). The square design is so simple & positive in drive it is a wonder it wasn't used many years ago instead of a hex drive.
There's 6 different sizes of Robertson sockets but only 3 or 4 seem to be in common use.

And yes, the design is so simple and positive I'm surprised they aren't more common.
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  #27  
Old 19th June 2017
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Re: Which is best?

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Originally Posted by David M View Post
There's 6 different sizes of Robertson sockets but only 3 or 4 seem to be in common use.

And yes, the design is so simple and positive I'm surprised they aren't more common.
The Robertson design would seem to have some practical advantages over the regular Philips or Pozidrive heads, (there and many of these and most are incompatible ), but for rapid assembly using powered tools the Philips/Pozidrive heads are still quicker and easier to use by virtue of their self-centering action.

The Robertson design is not inherently self-centering, and using a power tool it would take too long to engage the tool in the head before toque could be applied. Anyone who has tried to use a flat-bladed screwdriver head with a power tool will know what I mean!

Size for size, the well established hexagonal key and socket (Allen is a registered trade mark of the Apex Tool Group) provides a better, more secure drive, with greater surface contact than is possible with a square socket. A hexagonal drive is also better in tight spaces where a quarter or half of a turn is not always possible.

It is as well to remember that most of the newer drive systems, such as Torx, Pozidrive and their variants have been designed to save time and reduce mistakes/unintentional damage in production environments. They are not necessarily designed for DIY use!
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Old 19th June 2017
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Re: Which is best?

Allen keys are well past their sell by date. You need to think big and look to screwless bonding. So what if it falls apart after 2 years - that's consumerism!
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  #29  
Old 19th June 2017
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Re: Which is best?

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Originally Posted by pdk42 View Post
Allen keys are well past their sell by date. You need to think big and look to screwless bonding. So what if it falls apart after 2 years - that's consumerism!
I couldn't possibly comment........ despite being sorely tempted

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Old 19th June 2017
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Re: Which is best?

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Originally Posted by Naughty Nigel View Post
Are there sheep involved?
Definitely! That's why he needs the allen screws, to tighten the rear harness!
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