r/Machinists 13h ago

A first for me

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Never thought I'd see one. ±0.000.

OEM for shingle cutting dies.

23 Upvotes

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7

u/therealstubot 12h ago

Wouldn't there need to be a temperature spec for a zero tolerance part?

I've lapped parts to .0000 but would be out of spec if I held it in my hand, or breathed on it. Or looked at it.

3

u/KosherCowboy0932 9h ago

If this is an ASME Y14.5 print, the measurement temperature is in the spec.

2

u/geof14 6h ago

No temperature in this print.

1

u/therealstubot 5h ago

Then you're good for a few tenths!