Abstract

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ISO 8764-1:2004 specifies the shapes and dimensions, technical requirements and torque test methods for the tips of hand drivers and of machine-operated bits for cross-recessed head screws. It specifies two forms of driver tips: form PH for form H recesses and form PZ for form Z recesses. (H and Z form recesses are specified in ISO 4757, while general requirements, lengths of blades and marking of hand-operated screwdrivers are given in ISO 8764-2.)


General information 

  • Status
     : Published
    Publication date
     : 2004-04
  • Edition
     : 3
    Number of pages
     : 22
  • Technical Committee
     : ISO/TC 29/SC 10 Assembly tools for screws and nuts, pliers and nippers
  • ICS
     :
    25.140.30 Hand-operated tools

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