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      • ISO 68-2:2023
      Codes & Standards - Purchase

      ISO 68-2:2023

      ISO general purpose screw threads — Basic and design profiles — Part 2: Inch screw threads

      SKU: iso_085106_186255 Published by ISO Publication Year 2023 2 Edition 8 pages

      Product Details

      • Overview
      This document specifies the basic and design profiles for ISO inch screw threads (UN and UNR).
      UN applies to both internal and external threads. UNR only applies to external threads. A flat or rounded root contour, due to the threading process, is specified for UN threads, while only a defined rounded root contour is specified for UNR external threads.
      This document is applicable to the inch fastening screw threads.

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      GST REG No R119441681
      QST REG No R1006017360

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