Surface Roughness Symbols |
Explanation |

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Symbol without additional indications.
Basic symbol. The meaning must be explained by additional indications. |

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Symbol with additional indications.
Any production method, with specified roughness. |

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Symbol without additional indications.
Removal of material by machining, without specified roughness. |

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Symbol with additional indications.
Removal of material by machining, with specified roughness. |

|
Symbol without additional indications.
Removal of material is not permitted (surface remains in state as supplied). |

|
Symbol with additional indications.
Made without removal of material (non-cutting), with specified roughness. |