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Metric fine thread sizes

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Scuffy1966
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Location: Barnsley

Metric fine thread sizes

#1 PostAuthor: Scuffy1966 » Mon Feb 07, 2022 8:11 pm

Am I right in thinking that M10 metric fine is 1.0 mm pitch. I need to clean out all the threads out on my alloy wheels for the discs. I want to make sure I get the right good quality set size.
Steve
Z thou, GS thou, TL thou, R100RS retirement project.
Still wekkin hard

r3sc
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Re: Metric fine thread sizes

#2 PostAuthor: r3sc » Mon Feb 07, 2022 8:24 pm

M10 fine is usually 1.25mm pitch.

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Scuffy1966
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Location: Barnsley

Re: Metric fine thread sizes

#3 PostAuthor: Scuffy1966 » Mon Feb 07, 2022 8:34 pm

It's for the set of 4 disc bolts. I was not sure as my old thread gauge is not that reliable. I thought it was 1.25 also but then started doubting myself. Thanks, I'll get a decent 1.25 tap set
Ta Steve
Z thou, GS thou, TL thou, R100RS retirement project.
Still wekkin hard

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CAT3
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Re: Metric fine thread sizes

#4 PostAuthor: CAT3 » Wed Feb 09, 2022 8:13 pm

You might be better using a thread chaser rather than a thread tap as the chaser is less likely to remove material from the holes. Obviously is the threads are damaged a tap may well be needed, but initially I'd use a chaser if you're just cleaning out threads.


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