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.
BS 949-2:1979
Original price was: $264.16.$132.00Current price is: $132.00.
Screwing taps-Taps for Unified threads (and for the obsolescent threads of Whitworth and BA forms)
BSI Group , 04/30/1979
Pages: 49
