Excel Windscreen wiper arm spindle nut

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jpm6591
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Excel Windscreen wiper arm spindle nut

Post by jpm6591 »

Does anyone know what size it is and whether it is UNF, UNC or Metric?
My windscreen fitter lost mine whilst removing screen :-(
Thanks in advance.

Jim

Marten
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Re: Excel Windscreen wiper arm spindle nut

Post by Marten »

jpm6591 wrote:
Tue Aug 16, 2022 13:12
Does anyone know what size it is and whether it is UNF, UNC or Metric?
My windscreen fitter lost mine whilst removing screen :-(
Thanks in advance.

Jim
M8 (nyloc)

jpm6591
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Re: Excel Windscreen wiper arm spindle nut

Post by jpm6591 »

Thanks for the help Marten

AndyC
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Re: Excel Windscreen wiper arm spindle nut

Post by AndyC »

I would have thought they're technically an imperial 5/16 but with an M8 fitting as it's slightly bigger hole but only by a fraction of a mm. Reason for thinking that is that those wiper wheel boxes are ancient design and used on BL cars of the 70s when everything was imperial.

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ChrisJ
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Re: Excel Windscreen wiper arm spindle nut

Post by ChrisJ »

You getting it back on the road Jim? Will be good to have a second one driving around in WGC

Chris

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Re: Excel Windscreen wiper arm spindle nut

Post by Pete Boole »

I think I have an old one in the lock-up (from a pre-SE car) - I'll try to remember to dig it out and have a measure of the threads.

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Re: Excel Windscreen wiper arm spindle nut

Post by Pete Boole »

If it was imperial it would be 5/16" x 20 tpi which would make it a cycle thread, which is unlikely. I also make it M8.

Pete

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Re: Excel Windscreen wiper arm spindle nut

Post by Marten »

Pete Boole wrote:
Thu Aug 18, 2022 12:47
If it was imperial it would be 5/16" x 20 tpi which would make it a cycle thread, which is unlikely. I also make it M8.

Pete
Only 20 tpi threads in bicycles are pedal threads

jpm6591
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Re: Excel Windscreen wiper arm spindle nut

Post by jpm6591 »

Thanks all for your input. I tend to agree it will be more likely to be imperial.
Car seats out at present and replacing securing nuts and bolts with stainless, so will use one of them nuts with a spring washer as they will be from 84 era.

jpm6591
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Re: Excel Windscreen wiper arm spindle nut

Post by jpm6591 »

You getting it back on the road Jim? Will be good to have a second one driving around in WGC

Hi Chris,
Slow going with interior. I decided to use a local guy who does it on top of doing an overnight HGV job.
Been going near on a year, first he couldn't get leather and foam due to Covid backlog, then he had cataracts operated on on both eyes, so was out of action for 2 periods of 6 weeks. Just waiting for him to cover centre binnacle on dash and finish drivers seat.
I have repainted rest of car with Scratch Doctor leather colourant. Came out good considering I am going cream over red!
Catch up when finished, say 2025 :(

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