BS-1768 › Complete Document History
Specification for Unified precision hexagon bolts, screws, & nuts (UNC & UNF threads). Normal series
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1963 EDITION - REAFFIRMED IN 2013 - Sept. 17, 1963
AMD 5373 - AMENDMENT 3 - April 1, 1988 |
Obsolete Revision Information: |
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PD 6223 - AMENDMENT 2 - July 1, 1967
PD 5706 - AMENDMENT 1 - Dec. 1, 1965 |