ISO 12257:2008 Preview

Aerospace -- Internal six-lobe drives -- Metric series

ISO 12257:2008 specifies the dimensions of metric internal six-lobe drives used in metric screws in nominal thread diameter range 3 mm to 20 mm.


General information

  • Status :  Published
    Publication date : 2008-08
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 20/SC 4
    Aerospace fastener systems
  • 49.030.20
    Bolts, screws, studs

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