BS 7644-1 1993 Edition, April 15, 1993
Direct Tension Indicators - Part 1: Specification for Compressible Washers
Includes all amendments and changes through Amendment 1, August 1993
Additional Comments: W/D S/S BY BS EN 14399-9
Published By:British Standards Institution (BSI)
Specifies the requirements of compressible washers for use in bolted structural joints to give an indication of the bolt preload.