I have a spec. that calls out surface roughness per the B46.1, the RA is 125 or better but it does not have the cutoff to use, the blueprint does not call out the RA. B46.1 states on prior drawings when the callout is not specified, the 0.8mm (0.03") was applied is this still the same practice.
Red Flag Submitted
Thank you for helping keep Eng-Tips Forums free from inappropriate posts. The Eng-Tips staff will check this out and take appropriate action.
Reply To This Thread
Posting in the Eng-Tips forums is a member-only feature.