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ASME B1.1

Screw Threads For Bolts, Nuts, Machine Screws, and Threaded Parts

inactive
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Organization: ASME
Publication Date: 1 January 1935
Status: inactive
Page Count: 43
scope:

General

This standard covers the dimensional specifications for American Standard Screw Threads applicable to bolts, machine screws, nuts, tapped holes, and other threaded parts. It is a revision of the original American Standard approved in May, 1924, by the American Standards Association. The changes and additions included are based on the requirements of industry as reflected by comments received since the release of the 1924 publication and also upon the information obtained through and extensive survey of American industrial screw thread practice conducted in 1931 by the Sectional Committee on Standardization and Unification of Screw Threads with the cooperation of the National Bureau of Standards.

Document History

January 1, 2019
Unified Inch Screw Threads (UN and UNR Thread Form)
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,...
January 1, 2003
Unified Inch Screw Threads (UN and UNR Thread Form)
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,...
January 1, 1989
Unified Inch Screw Threads (UN and UNR Thread Form)
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,...
June 15, 1984
ADDENDA TO B1.1 - 1982 UNIFIED INCH SCREW THREADS (UN AND UNR THREADS FORM)
A description is not available for this item.
December 15, 1982
UNIFIED INCH SCREW THREADS (UN AND UNR THREAD FORM); ERRATA,
This Standard specifies the thread form, series, class, allowance, tolerance, and designation for uni- fied screw threads. (In order to emphasize that unified screw threads are based on inch modules,...
January 1, 1974
Unified Inch Screw Threads
This standard, ANSI B 1.1, specifies the thread form, series, classes, allowance, tolerance and designations for Unified Screw Threads. (In order to emphasize that Unified Screw Threads are based on...
January 1, 1960
Unified Screw Threads
A description is not available for this item.
January 1, 1949
Unified Inch Screw Threads (UN and UNR Thread Form)For Screws, Bolts, Nuts, and Other Threaded Parts
There is no end to the development and improvement of an active standard. This revised edition of B1.1 marks an important step forward in that it embodies the Unified Thread standards which have been...
ASME B1.1
January 1, 1935
Screw Threads For Bolts, Nuts, Machine Screws, and Threaded Parts
General This standard covers the dimensional specifications for American Standard Screw Threads applicable to bolts, machine screws, nuts, tapped holes, and other threaded parts. It is a revision of...
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