Dimensions of internal and external splines and of Full Formgogauges andnot gofeature 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.Cross References:BS 969BS 1044BS 1916BS 2059/1BS 2059/2BS 2059/3