It seems the parts book and standards manual is correct this time, which is not always the case.

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ex-NSW Police 1970 MK II Cooper S
VMCI #43

Just chatting to John Smidt and he mentioned having seen pressed metal wing nuts used for this application. I hesitated to mention it earlier but I'm almost certain the 1969 MK II S I purchased new also had this style wing nut.

http://uk.misumi-ec.com/vona2/detail/221005014083/

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ex-NSW Police 1970 MK II Cooper S
VMCI #43

My late 68 MK 1 S has the pressed metal ones.
They are basically a speed nut with "wings".
At first glance they look like they may be solid but they are not.
The stud they screw onto is probably #10/32 tpi UNF but I haven't put a thread gauge on the stud.

RonR

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68 build Mk1 Cooper S
72 Clubman GT project. Total restoration required

The pressed metal type are apparently called American style wing nuts.

http://www.fastenerdata.co.uk/fasteners ... 869d3.html

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ex-NSW Police 1970 MK II Cooper S
VMCI #43

Thanks Ron. Your car is close to mine and being a one owner car thats good enough for me.

Thanks everybody for your help and input.
One more detail down. Many to go!
Next time I will keep every single part !!!
Will try and hunt some down in the next day or two.
It is so pleasing to have this forum and it's members with so much knowledge to call on.
It's a big Thank you from me.

Pete.

Mine are definitely UNC/whit, although it is a Wover mini. They're originals, I've had seats apart.

Hi
Can get the pressed wing nuts size 10/32 UNF through EDL Fasteners here in NZ.