Standard

SAE ARP1201

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Abstract

This recommended practice lists the recommended across flats limits for hexagon bar stock drawing callouts. This recommendation is based on the comparison of existing hexagon tolerance standards and minimum wrench openings. These callouts should be used when specifying fluid fitting dimensions in which the unmachined material hex dimension will appear on the finished part as a wrenching surface.

Document information

  • Standard from SAE International
  • Published:
  • Withdrawn:
  • Document type: IS
  • Pages
  • Publisher SAE International
  • Distributor SAE International

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