Historical
ASME B94.9-2008 (R2018)
Taps: Ground Thread with Cut Thread Appendix (Inch and Metric Sizes)
This Standard covers various designs of standard taps, nomenclature, and definitions; the standard system of marking; and dimensions and tolerance tables for the types and styles of taps listed below. For thread series designations, refer to Table 1.
American Society of Mechanical Engineers [asme]