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submitted 11 months ago by free@rss.ponder.cat to c/hackaday@rss.ponder.cat

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[–] HelixDab2@lemm.ee 2 points 11 months ago (1 children)

.0005" is best case, with the best calipers. If you have spectacularly shitty ones, your accuracy might be more like +/- .005", or ten thou.

I use calipers for reloading; rifle cases need to be trimmed because brass flows under pressure, and you def. have a minimum and a maximum tolerance.

[–] scrion@lemmy.world 1 points 11 months ago

Plus handling errors, of course.

But yeah, a $170 Mitutoyo caliper will also not display anything beyond five tenths, so that's definitely a hard limit.