Hello. Sign In
Standards Store
BS 869 78th Edition, January 31, 1978
Complete Document
Active, Most Current
Specification for Toolmakers' Flats and High Precision Surface Plates
Includes all amendments and changes through Reaffirmation Notice , February 1, 2012
Page Count:10
Secure PDF  :
$120.00 USD
In Stock
Print  :
$120.00 USD
In Stock
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.