Thumbnuts. TL3596, for lower engine covers
 

Here is a picture showing two versions of TL3596
The ones on the left are British, one is marked JB 1937. another S&S, with an "A" above the "&", and "W" below it, all in a triangle, and dated 1940.
The ones on the right are Canadian marked FMCo 42

Lynn,
I hae been looking for a set of upper and lower fasteners for my Canadian Mk1*. Not had much luck yet. No rel close subs yet as well.
Doug

i have let Martyn Borrow one of my top ones if you want to borrow it to get a copy made ? if not i will ask Martyn to post it back up to me so i can get a bunch made out of brass... i dont have any of the lower ones though so need some like you.

I have a box of 50 or 100 of some vintage thumbscrews that are identical to the Canadian lower panel retainers except for two things:
1: They are course thread instead of BSF (not a big deal, either the screws or the holes could be chased out to match the other)
2: They do not have the small collar between the thumbscrew and the thread, but this can be added on.

Despite these two shortcomings, the actual thumbscrew portion appears to be the same cast in all respects. When I get home in July I can provide more information and perhaps a couple of photos.

Rob,
Save me at least 10.
Thanks,
Doug

Yes , I could use bout 8 of them Thanks Rob , Jim

They aren't going anywhere for the time being. As I said, I am overseas until July, and even then I'll only be home for a few weeks and then back to KAF. I may not be home until December after that.