Work on manual machinery grinding carbide all day. Dry and wet grinding.
Have used Mitutoyo and Starrett. The japanese digital caliper works well when new, but soon dies in the arse from the dust and dirt. The Starrett survives reasonably well in comparison.
However I don't trust either of them. You simply have no idea where they are and rather than trying to get a feel for the size, you look at the display and wiggle it until you see a number you're happy with.
Either a dial or scale Starrett for me. (And that's coming from Aus, where they're nearly twice the price of the bloody Japanese gear.)
Where the accuracy needs to be any better than 0.1mm, I ditch the caliper and go straight to a scale micrometer. Much easier to get a good feel of size and know it's the truth.![]()


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