BS 7496-3 1991 Edition, December 20, 1991
Cross-Recessed Tapping Screws - Part 3: Specification for Raised Countersunk Head Screws
Includes all amendments and changes through Reaffirmation Notice , November 1, 2004
Additional Comments: W/D S/S BY BS EN ISO 7051 * INCLUDES AMENDMENT 1
Published By:British Standards Institution (BSI)
Requirements for screws with thread sizes from ST2,2 to ST9,5 inclusive with recess types V and Z.