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Thread: No tolerance given.

  1. #1
    Associate Engineer
    Join Date
    Sep 2018

    No tolerance given.

    Hi all,

    Been in inspection for the past 6 years and this is a new one on me.
    I have a drawing which states tolerances to one & two decimal places, yet all the drawing dimensions are at 3 decimal places.
    What tolerance do i give the dimensions given?

    Tolerances given:
    One dec. +- .04
    Two dec. +- .01.

    Many thanks.

  2. #2
    Technical Fellow Kelly_Bramble's Avatar
    Join Date
    Feb 2011
    Bold Springs, GA
    You need to contact the drawing creator and get, in writing the expected tolerances.

    If the drawing creator is not available use the next available tolerance which would be +-.01.
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

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