ASME B1.1-1989
Superseded Standard
Historical

ASME B1.1-1989

Unified Inch Screw Threads, UN and UNR Thread Form

Summary

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 UN and UNR thread forms.

Technical characteristics

Publisher American Society of Mechanical Engineers (ASME)
Publication Date 01/01/1989
Release Date 05/15/1990
Edition 1989
Page Count 182
Themes Fasteners
EAN ---
ISBN ---
Weight (in grams) ---
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