ISO 9270-1:2010 Preview
7/24 taper spindle noses for automatic tool changers -- Part 1: Dimensions and designation of spindle noses of forms S and SF
This standard was last reviewed and confirmed* in 2016.
*Therefore this version remains current
ISO 9270-1:2010 specifies the dimensions and tolerances of 7/24 taper spindle noses with tenons for automatic tool changers, intended for use with the corresponding tool shanks of forms A, AD, AF, U, UD and UF according to ISO 7388-1.