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About This Item

 

Full Description

Manufacturing tolerances on the threaded portion of taps for producing ISO metric threads of tolerance classes 4H to 8H and 4G to 6G. Valid for short taps specified in ISO/R 529 as well as any other kind of ground thread taps with the same diameters and pitches.

Cross References:
BS 949:Part 1
BS 949:Part 2
BS 949:Part 3
BS 949:Part 5
BS 3643:Part 1
BS 5346
ISO 529
ISO 2283
ISO 2284
ISO 5969
 

Document History

  1. BS 949-4:1990

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    Screwing taps-Specification for metric ground thread taps: manufacturing tolerances

    • Most Recent
  2. BS 949-1:1976


    Screwing taps-Specification for taps for ISO metric threads

    • Historical Version