Tread size and type

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geoffrey mark
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Tread size and type

Post by geoffrey mark » Wed Oct 28, 2020 3:52 pm

Wondered what the tread size and type is on a 1923 model t touring , two treaded holes at rear of transmission where it joins onto the drive shaft tube ? Thanks

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RajoRacer
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Re: Tread size and type

Post by RajoRacer » Wed Oct 28, 2020 4:12 pm

The thread is 3/8 - 24.


Topic author
geoffrey mark
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Re: Tread size and type

Post by geoffrey mark » Wed Oct 28, 2020 4:40 pm

Is that unc or UNF ?

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RajoRacer
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Re: Tread size and type

Post by RajoRacer » Wed Oct 28, 2020 6:33 pm

That would be a fine thread.


Kerry
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Re: Tread size and type

Post by Kerry » Wed Oct 28, 2020 7:16 pm

3/8x24 UNF.

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TonyB
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Re: Tread size and type

Post by TonyB » Wed Oct 28, 2020 10:43 pm

It was the same thread for the whole of the Model T production from my 1909 Touring thru to my friends 1927 touring 😊
By the way the two bolts should have holes in the heads and then wired together😊
Tony Bowker
La Mesa, California
1914 Touring, 1915 Speedster, 1924 Coupe.

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