IP JESSIE
Re: IP JESSIE
Presumably, Atco were working on an early form of hover mower!?
Re: IP JESSIE
I think he has conflated "he worked at Stansted aerodrome" with " mowers for Atco."
Philip
Re: IP JESSIE
Oh ..... I geddit now ....
Rik
Re: IP JESSIE
BTW - Just heard back from Ivan. He says they are M3 grub screws. I'll try again. Maybe what I thought was an M3 was something else when I tried putting one into the hole.
Rik
Rik
Re: IP JESSIE
There are two ISO 3mm threads, coarse and fine, but the coarse one is the common one and so just termed M3. I've only seen the coarse thread on grub screws.
A squizz at this site will show you why a jam jar full of fasteners of indeterminate origin could contain a lot of screws that look much the same........
https://www.gewinde-normen.de/en/index.html
One of my brothers inherited my father's shed contents and I'm fairly sure some of the jam tins of fasteners had come from my grandfather's shed, certainly some of the hand tools went back at least that far.
Regards,
Graeme
Re: IP JESSIE
To identify threads accurately you need three things:
1) A set of thread gauges preferable 55 degree and 60 degree.
2) A Micrometer of vernier calliper
3) And most important something that will identify the measurements: My Zeus is a little older but invaluable.
1) A set of thread gauges preferable 55 degree and 60 degree.
2) A Micrometer of vernier calliper
3) And most important something that will identify the measurements: My Zeus is a little older but invaluable.
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