ASME B1.1-2024

ASME B1.1-2024

Unified Inch Screw Threads (UN, UNR, and UNJ Thread Forms)

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Details

This Standard specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. (In order to emphasize that unified screw threads are based on inch modules, they may be denoted unified inch screw threads.) Several variations in thread form have been developed for unified threads, however, this Standard covers only [Unified] UN and UNR [external threads only] thread forms. For easy reference, a metric translation of this Standard has been incorporated as Nonmandatory Appendix C. Nonmandatory Appendices A through E contain useful information that is supplementary to the sections of this Standard.

Additional Info

Author American Society of Mechanical Engineers (ASME)
Published by ASME
Document type Standard
Theme Screw Threads
Edition 2024
ICS 21.040.20 : Inch screw threads
Number of pages 194
Replace ASME B1.1-2019
Keyword B1.1-2019