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SAE AS8879D

Current

Current

The latest, up-to-date edition.

Screw Threads - UNJ Profile, Inch Controlled Radius Root with Increased Minor Diameter

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-04-2024

€133.52
Excluding VAT

This SAE Aerospace Standard (AS) specifies the characteristics of screw threads - UNJ profile inch series, including a mandatory controlled radius as specified inTable 1at the root of the external thread.

DocumentType
Standard
Pages
25
PublisherName
SAE International
Status
Current
Supersedes

This SAE Aerospace Standard (AS) specifies the characteristics of screw threads - UNJ profile inch series, including a mandatory controlled radius as specified in Table 1 at the root of the external thread. The minor diameter of both external and internal threads provides a basic thread height of .5625H to accommodate the external thread maximum root radius. The following detailed design requirements are included:aScrew threads - UNJ basic profile and design profiles.bStandard series of diameter-pitch combinations for nominal thread diameters from 0.060 to 6.000 inches.cStandard thread classes and form tolerances.dFormulae for thread dimensions and tolerances.eMethod of designating UNJ threads.fTables for selected diameter-pitch combinations for close tolerance mechanical thread applications.gTables for screw thread - UNJ profile thread limit dimensions.

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