BS 2059 – Specification for straight-sided splines and serrations
Dimensions of internal and external splines and of Full Form go gauges and not go feature gauges. Dimensions for straight-sided 90° serrations, line size ½ in to 6 in, serration 3/16 in to 6 in. Tables for shallow and deep splines, and for coarse serrations only. Three grades of fit.