BS 949-2:1979
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Screwing taps Taps for Unified threads (and for the obsolescent threads of Whitworth and BA forms)
Hardcopy , PDF
15-12-1992
English
30-04-1979
General dimensions of short machine or hand taps and of long shank machine taps for Unified, BSW, BSF and BA threads, and dimensions and tolerances on the threaded portion of those taps.
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