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Old 25th Feb 2021, 10:45 pm   #6
OldTechFan96
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Location: Newcastle Upon Tyne, Tyne & Wear, UK.
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Default Re: What Allen Key Size?

Quote:
Originally Posted by factory View Post
Looks to be a Farnell oscillator, possibly an LF1, maybe that will help with identifying the grub screw Allen key size.

David
Correct!

I had a similar issue with an early 60's Marconi O/P meter that must have used the same Allen head. I 'cheated' and used a similar sized Torx bit. This might not work with the Farnell as the bit is recessed.

1/16'' or 1.59mm could be right.
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