 | Home > Off Topic > Strange screw head on L322 |
 
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| Race.it Member Since: 27 Aug 2019 Location: Algeciras Posts: 830   
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tri wing screwdriver
Used a lot on computer consoles etc to avoid tampering. Amazon sells them Searching for my first Defender...and started just as Covid hit, so talk about timing. 5 months after starting the search I found it, and here is the details |
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1st Mar 2021 2:09pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17603  
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Strictly it is a form of Tri-point head since the slots are aligned with the centre of the head. In the Tri-wing form, the slots are not aligned with the centre.
See https://en.wikipedia.org/wiki/List_of_screw_drives#Tri-point for diagrams. |
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1st Mar 2021 2:30pm |
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| jim4244 Member Since: 13 Apr 2014 Location: Bedfordshire Posts: 853  
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Why on earth would they ever have used these on a bracket that helps secure the rear bumper?
Here’s a better shot of the 3 bolts/screws and the bracket  Click image to enlarge Jim |
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1st Mar 2021 3:22pm |
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| jcw Member Since: 11 Sep 2016 Location: Gloucestershire Posts: 168 
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Despite the odd head, these are actually aluminium pop rivets, so you won’t be unscrewing them. I’ve removed these brackets myself previously.
Last edited by jcw on 1st Mar 2021 3:50pm. Edited 1 time in total |
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1st Mar 2021 3:44pm |
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| jcw Member Since: 11 Sep 2016 Location: Gloucestershire Posts: 168
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Here’s the part / part no.
https://www.brit-car.co.uk/search.php?quer...PerPage=10 |
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1st Mar 2021 3:47pm |
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| jcw Member Since: 11 Sep 2016 Location: Gloucestershire Posts: 168
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ps not stalking you Jim!
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1st Mar 2021 3:48pm |
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| jim4244 Member Since: 13 Apr 2014 Location: Bedfordshire Posts: 853
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Lol!
Thinking about it why would you use security style fixings for a bumper mounting plate? Yes, the aluminium rivet does make sense as it it double skinned there and you wouldn’t be able to get a nut on the other side. Jim |
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1st Mar 2021 5:03pm |
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| jcw Member Since: 11 Sep 2016 Location: Gloucestershire Posts: 168
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I recall when I ordered the new rivets to re-attach the brackets, they came as standard looking pop rivets, not with that odd head, despite supposedly being genuine LR items.
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1st Mar 2021 5:26pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17603
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It must be something to do with the production tooling in that case.
Breakstem fasteners with funny heads certainly make more sense than tri-point screws. |
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1st Mar 2021 7:51pm |
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