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BS 869

78th Edition, January 31, 1978

Complete Document

Specification for Toolmakers' Flats and High Precision Surface Plates

Includes all amendments and changes through Reaffirmation Notice , February 1, 2012

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Product Details:

  • Revision: 78th Edition, January 31, 1978
  • Published Date: February 1, 2012
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 10
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Circular hardened steel or granite toolmakers' flats up to 200 mm diameter and circular cast iron or granite high precision surface plates 250 and 400 mm diameter. Material, general design, finish, accuracy, cases, packing and marking. Composition of typical steels, cast irons and heat treatment.