Morris Minor Owners Club

Does anyone know the thread specification of the studs on the chrome plates mounted either side of the speedo (later models)?

Don

Hi Don ,,, could be BA ! Popular sizes are 2 and 0. ?????

Does Les know?

I am beginning to doubt my BA theory.

I have taken some measurements.

The OD of the threads is 0.135in.

TPI looks like 32.

Sooo ... It is looking like UNC #6-32

Can anyone confirm this?

Don

I am now able to answer my own question.

It is #6-32 UNC.

I bought some on-line and can confirm that they fitted perfectly.

I hope this might be useful to others who are dealing with missing studs and/or nuts (as I was).

Don

Great stuff Don, I’m a long way putting these trims on my van .. it’s the short ones in height .

My ones are in my extremely waited loft. TPI 32 number seems high for UNC is it UNF

What I have found over the years is lowdown on the Morris there are more BSF / Whitworth and a higher up the car you go they use more modern fixings , UNF, UNC , BA etc...... but no metric sizes as far as I know... maybe on a 72 model????.

Can someone clarify this if I have ever found metric.

TPI 32 number seems high for UNC is it UNF

Definitely 32 UNC. I measured it with a thread gauge before sending my order.

Don

A N° 6 UNF would be 40 TPI

Phil

A No: 6 UNC thread (which is below 1/4" for attachment purposes) has a TPI of 32.

Additional notes: No: 8 UNC & No: 10 UNC both have a TPI of 32.

No: 6 ANC & No:8 ANC have 32 TPI threads. Strangely No: 10 ANC has 24 TPI.