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BS 949-4

90th Edition, June 29, 1990

Complete Document

Screwing Taps - Part 4: Metric Ground Thread Taps: Manufacturing Tolerances

Includes all amendments and changes through Reaffirmation Notice , March 1, 2004


Detail Summary

Active, Most Current

EN
Additional Comments:
SAME AS ISO 2857
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Product Details:

  • Revision: 90th Edition, June 29, 1990
  • Published Date: March 1, 2004
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 28
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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.