ISO-10644 Complete Document History
Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV

Complete Current Edition:
   2ND EDITION - 200 HV & 300 HV - July 1, 2009

Obsolete Revision Information:
   1ST EDITION - SCREW & WASHER ASSEMBLIES WITH - Aug. 1, 1998