JIS B 6339-3:2011 Tool shanks with 7/24 taper for automatic tool changers -- Part 3: Dimensions and designation of retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF
2011JIS B 6339-1:2011 Tool shanks with 7/24 taper for automatic tool changers -- Part 1: Dimensions and designation of shanks of forms A, AD, AF, U, UD and UF
1998JIS B 6339:1998 Machining centers -- Tool shanks and retention knobs
1992JIS B 6339:1992 Machining centers -- Tool shanks and retention knobs