BS-EN-ISO-10664 Complete Document History
Hexalobular internal driving feature for bolts and screws

Complete Current Edition:
   2014 EDITION - Hexalobular internal driving feature for bolts and screws - Oct. 31, 2014

Obsolete Revision Information:
   2005 EDITION - REAFFIRMED IN 2008 - Aug. 2, 2005
   1999 EDITION - WITHDRAWN, 8/2/2005 - Nov. 15, 1999