SAE AS8879C
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Screw Threads - UNJ Profile, Inch Controlled Radius Root with Increased Minor Diameter
Hardcopy , PDF
05-04-2024
English
15-01-2003
Important note : Users cannot be edited or removed once added to your Multi user PDF.| DocumentType |
Standard
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| Pages |
25
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| PublisherName |
SAE International
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| Status |
Superseded
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| SupersededBy | |
| 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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