BS-EN-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:
   2009 EDITION - 200 HV and 300 HV - July 31, 2009

Obsolete Revision Information:
   1998 EDITION - SCREW and WASHER ASSEMBLIES WITH - Jan. 1, 1998