BS 1660-2 88th Edition, September 30, 1988
Machine Tapers - Part 2: Specification for reduction sleeves and extension sockets for tools with Morse taper shanks
Includes all amendments and changes through Reaffirmation Notice , March 1, 2004
Additional Comments: SAME AS ISO 238
Published By:British Standards Institution (BSI)
Specifies dimensions for sockets with internal and external Morse taper. Dimensions are given in both millimetres and inches.