ISO-3294 Complete Document History
Parallel shank countersinks for angles 60, 90 and 120 degrees inclusive

Complete Current Edition:
   2ND EDITION - Parallel shank countersinks for angles 60, 90 and 120 degree - Aug. 1, 2016

Obsolete Revision Information:
   1ST EDITION - Parallel shank countersinks for angles 60, 90 and 120 degree - July 15, 1975