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BSI - BS 869

Specification for Toolmakers' Flats and High Precision Surface Plates

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Organization: BSI
Publication Date: 31 January 1978
Status: active
Page Count: 10
ICS Code (Measuring instruments): 17.040.30
scope:

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.

Document History

BS 869
January 31, 1978
Specification for Toolmakers' Flats and High Precision Surface Plates
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,...

References

This document is referenced by:
BS 852 - Specification for Toolmakers' Straightedges
Published by BSI on June 19, 1939
Straightedges of short length for very accurate work, having one working edge which is bevelled and very slightly rounded off ('knife-edge'). Material, general features, finish, accuracy, handles,...
This document is referenced by:
BS 7414 - Specification for White PVC-U Extruded Hollow Profiles with Heat Welded Corner Joints for Plastics Windows: Materials Type B
Published by BSI on March 29, 1991
Requirements for the raw materials and properties of the finished profile after manufacture. Includes methods of test.
This document is referenced by:
BS 1734 - Specification for Micrometer Heads
Published by BSI on April 16, 1951
Heads for assembly with measuring or machine tools. Three types, thimble diameters below 1 in, 1 in and below 2 in, 2 in and over; measuring ranges ½ in, 1 in, 13 mm, 25 mm. Material, micrometer...
This document is referenced by:
BS 959 - Specification for internal micrometers (including stick micrometers)
Published by BSI on November 30, 2008
A description is not available for this item.
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