This Standard covers various designs of standard taps, nomenclature, and definitions; the standard system of marking; and dimensions and tolerance tables for the following types and styles of taps:Type: Standard straight thread, general purpose; Tables 2 and 2A. Style: Straight fluted, Spiral fluted, Spiral point, with straight flutes, Spiralpoint only, no straight flutes. Applicable Section(s): 3.1, 3.4 and 3.5, 3.2, 3.3. Type: Pipe, taper thread; Table 7, Pipe, straight thread; Table 8, Pulley; Table 5, Screw thread insert; Table 2B, Thread forming; Table 2 and 2A. Style: Straight fluted, Straight lobes and Spiral lobes. Applicable Section(s): 3.8, 3.7, 3.1, and 3.6.
ANSI/ASME B94.9-2008 history
2008ANSI/ASME B94.9-2008 Taps: Ground and Cut Threads with Cut Thread Appendix (Inch and Metric Sizes)