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Dial Gauges

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Dicky

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Can anybody out there give me some advice on dial gauges? I have been looking at various types, some meteric, some imperial. Reading my table saw books, they recomend a tolerance of 1/1000 of an inch for arbour run out, but what is that in meteric?
Cheers guys,
Dicky
 

sooty

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Google comes up with this

25.4 µm — 1/1000th inch, commonly referred to as 1 mil in the US and 1 thou in the UK

Hope it helps
 

jasonB

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its about 0.0254mm, most gauges will have metric divisions of 0.01mm.

You could get a digital one which will give the results in both but it's nor really worth the cost, you can pick up a dial one & magnetic holder for about £25.00.

Jason
 

Dicky

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Thanks for the info.
Jason, where can I get one for £25?
 

jasonB

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No problem, just remember that the magnetic base is only any good if you have cast iron tables :!:

Jason
 
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