screw through clips: u clips, spire clips?

Hello,
I am looking for something but do not know what it is called. It is a clip that you attach to one sheet of metal and then screw into a hole in that clip, through another sheet of metal, holding the two pieces of metal together.
Googling has found me some of what I am looking for:
Looking on the internet, Halfords call them u-clips: http://www.halfords.com/workshop-tools/garage-equipment/fuses-electricals-fixings/halfords-assorted-u-clips-screws
ebay calls them spire clips: http://www.ebay.co.uk/itm/Speed-Fasteners-U-Clips-Spire-Auto-Captive-Screw-Size-6-8-10-12-14-Nut-Clip-/261983357122
What is the proper or most common name for these, as I am hoping that knowing that will help me find more sellers, so that I can track down a good quality item at a good price from somewhere near me or somewhere with cheap delivery.
Thanks, Stephen
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On Wed, 20 Jan 2016 11:07:11 +0000, Stephen wrote:

electricals-fixings/halfords-assorted-u-clips-screws

Screw-Size-6-8-10-12-14-Nut-Clip-/261983357122

I've just ordered some from a random 'bay seller - they use the terms "u- clip, speed clip, chimney nut, motorcycle fairing clip" in their description alone.
Any of those should find a source - I'll let you know what the quality of these is like when they get here. 25 x M8 for £9 delivered.
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On 20/01/16 11:11, Adrian wrote:

But not 'spire clip', which is what they are generally called in the engineering trade

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On Wed, 20 Jan 2016 11:15:16 +0000, The Natural Philosopher

Thank you for the replies. Does anyone know why they are called Spire clips? Were they invented by a man or company called Spire?
Probably a daft question but is one finish better than another? Ebay sellers seem to have black ones or zinc plated yellow ones. Is one finish more durable, less likely to rust than the other?
Thanks, Stephen.
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On 20/01/2016 11:47, Stephen wrote:

Black are most common in things that I have dismantled. You sometimes see traces of rust at the piercing, the black finish seems reasonably corrosion resistant. I wouldn't use them in the bilges of a boat, but they seem to be OK in stuff that lives outdoors.
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On Wed, 20 Jan 2016 13:32:02 +0000, newshound wrote:

They're used on 2cvs for the body-chassis bolts - black finish, usually. As such, the threaded portion is exposed on the underside of the car, and they can be really quite horrific looking. It's usually about 50% that have to be cut off, if the car's never been apart - but that's after decades of use.
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On 20/01/2016 15:36, Adrian wrote:

I guess they rely on mud and corrosion to glue the body to the chassis, preventing the vibration which would otherwise shake them loose! Or the corrosion on the protruding bolt, I suppose.
:-)
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On Wed, 20 Jan 2016 15:49:48 +0000, newshound wrote:

http://www.ecas2cvparts.co.uk/clip-threaded-piece-p-406.html
Yes, M7. God bless Citroen.
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On Wed, 20 Jan 2016 16:00:33 +0000 (UTC), Adrian

I've often wondered about owning a 2cv but friends tell me they are not safe in an accident because they are thin metal from the days before crumple zones etc. I suppose that's true of all cars from that era though.
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On Fri, 22 Jan 2016 19:36:34 +0000, Stephen wrote:

I've always found the best solution to such fears is "Don't crash". Simple.
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On 23/01/2016 09:16, Adrian wrote:

The other day I saw a stopped truck on the other side of the road. Behind the truck was a car with a slightly damaged bonnet.
And a slightly more damaged boot.
Half a dozen cars behind was a mangled mess of metal that might once have been a car or a van, with another truck pressed firmly into the remains.
With a 2CV you would of course be more likely to be in the truck lane than the other one on that dual carriageway...
Andy
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On Sun, 24 Jan 2016 21:32:50 +0000, Vir Campestris wrote:

Migod. This explains why I've been killed to death at least seventy-three times over the third of a century I've been driving 2cvs, across the US and from the southern tip of Greece to Northern Scandinavia...
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Diversion alert.. You don't by any chance name your 2CVs Hubert? Long story, anecdotes from another group:-)
--
Tim Lamb

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On Mon, 25 Jan 2016 09:35:08 +0000, Tim Lamb wrote:

No... The only one that's named is SWMBO's "Sparky", following an ignition-switch related drama many years ago.
But do go on...?
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writes

Very OT and only AJH and Mary might remember. A gentleman from Scotland with an amusing set of life experiences including adventures with a 2CV called Hubert in the Iberian peninsular:-)
--
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On Mon, 25 Jan 2016 12:22:06 +0000, Tim Lamb

Stubsy's wife must have buried him by now.
AJH
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snipped-for-privacy@loampitsfarm.co.uk writes

Along with the Ardbeg whisky?
--
Tim Lamb

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On 25/01/2016 08:35, Adrian wrote:

You've been lucky - and probably good as well. The guy in the van/car/whatever wasn't.
I've only been tailgated once in ... lets think... half a million miles or so. That doesn't mean it won't happen tomorrow. A colleague of mine was braking for some roadworks, and looked in his mirror. Swerved into the cones, and watched the car he'd been following get tailgated.
Andy
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On Tue, 26 Jan 2016 21:19:21 +0000, Vir Campestris wrote:

A few years back, I lost two friends in separate car accidents within a month or two of each other.
One is thought to have passed out, and swerved into a laden HGV, head-on, at a closing speed of about 100mph. The truck rolled, and the driver of the truck was also badly injured.
The other was a ridiculously minor low-speed traffic collision, but an insecure box of books flew forward and took the back of his head out.
One was in a 2cv. The other was in a brand new EuroNCAP 5* rental.
I'll let you guess which was which.
When your number's up, your number's up. And I don't particularly want to spend a decade drooling and having my arse wiped in a care home anyway.
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On 26/01/16 21:23, Adrian wrote:

anything loose in the rear seating area is a potentially lethal hazard.
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