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BS 3643-1:1981

Withdrawn Date published:

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ISO metric screw threads, Principles and basic data

Applies to single-start parallel screw threads having the ISO basic profile for triangular screw threads. Data for diameters from 1.0 mm to 300 mm are tabulated and an appendix gives the information necessary to calculate the limits of size for exceptions to the tabulated data.

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Pages: 60

Related Information

Similar Standards

  • BS 1936-2:1991

    Undercuts and runouts for screw threads, Specification for ISO metric screw threads

  • BS 3643-1:2007

    ISO metric screw threads, Principles and basic data

  • BS 3643-2:2007

    ISO metric screw threads, Specification for selected limits of size

  • BS 4185-10:1977

    Machine tool components, Trapezoidal threads for lead and feed screw assemblies

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BS 3643-1:1981

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