Lotus Elan and Lotus Elan Plus 2 Forums • Thumb nut thread size : Electrical / Instruments

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Thumb nut thread size

Posted: Sun Jan 18, 2015 5:45 am

by prezoom

Anyone happen to know what the thread size is of the thumb nuts that hold the instruments in place in the dash?

Re: Thumb nut thread size

Posted: Sun Jan 18, 2015 10:40 am

by ericbushby

Hello Rob,
I believe it is 3BA. I just tapped out an undersize nut to 3BA and it fits snugly.
Eric in Burnley where it is snowing.
1967 S3SE

Re: Thumb nut thread size

Posted: Sun Jan 18, 2015 6:11 pm

by prezoom

Thanks Eric,
I tried a 2BA with no success. Will order a 3BA tap.