Historical
ANSI B94.21-1968 (R2003)
Gear Shaper Cutters
Covers types, sizes, tolerances, marking and nomenclature for ground, finishing type gear shaper cutters for generating involute spur and helical gears, splines, and serrations. It also covers ground, finishing type involue herringbone gear shaper cutters for generating herringhone gears.
American Society of Mechanical Engineers [asme]