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  1. bargeld

    Roughness tolerance h7

    Thanks everyone for the replies. dgallup There is note about roughness tolerance for other dimensions (removal of the material is not permitted) and additional symbols used in the drawing: Ra1,6 and Ra3,2. Nothing else.
  2. bargeld

    Roughness tolerance h7

    This value also describes others surfaces e.g. face next to tolerated outer diameter.
  3. bargeld

    Roughness tolerance h7

    Hi fellas, I have some trouble with value over roughness symbol. The value is expressed as h7 or H7. It looks like on attached image. Anyone of You knows which class describes it or how to translate it to Rz?

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