ISO 2857:1973 Preview

Ground thread taps for ISO metric threads of tolerances 4H to 8H and 4G to 6G coarse and fine pitches -- Manufacturing tolerances on the threaded portion

Is valid for the short taps specified in ISO 529 as well as for any other kind of ground thread taps with the same diameters and pitches. The internal threads produced with those taps are conventionally designated by the simplified denomination of "nut" in agreement with the word used in ISO 965 for the general designation of all internal threads.


General information

  • Status :  Published
    Publication date : 1973-12
  • Edition : 1
    Number of pages : 13
  • :
    ISO/TC 29/SC 9
    Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces
  • 25.100.50
    Taps and threading dies

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