Machine tools. Dimensions and geometric tests for self-centring chucks with two-piece jaws - Power-operated chucks with tongue and groove type jaws shop-only BS EN 3869 is useful

BS EN 3869 is useful for entities in the aerospace industry as BS EN 3869 lists the characteristics of seals for pipe couplings in fluorocarbon rubber and armature in the aluminium alloy which helps to produce quality aerospace applications

the metallographic sectioning plane can cut through a grain at any point from a grain corner

BS EN 2022 is a European Standard series that discusses components used in the aerospace industry

This International Standard specifies two reference wavelengths to be used for the characterization of optical materials

Machine tools. Dimensions and geometric tests for self-centring chucks with two-piece jaws - Power-operated chucks with tongue and groove type jaws shop-only BS EN 3869 is useful