BSI - BS 1127-1
Screwing dies and dienuts - Part 1: Specification for hand- and machine-operated circular screwing dies and hand-operated die stocks
|Publication Date:||29 June 1990|
|ICS Code (Taps and threading dies):||25.100.50|
General dimensions of screwing dies and the interchangeability dimensions of die stocks. Applicable to screwing dies intended for the manufacture of: ISO metric coarse threads M1 to M68; ISO metric fine threads M1 to M56; ISO inch (UNC) threads No. 1-64 to 23⁄4 - 4; ISO inch (UNF) No. 0-80 to 11⁄2 - 12.