BSI - BS 4168-7
Hexagon Socket Screws and Wrench Keys: Metric Series - Part 7: Specification for Hexagon Socket Shoulder Screws
|Publication Date:||31 August 1982|
|ICS Code (Bolts, screws, studs):||21.060.10|
Specifies screws with ISO metric threads and shoulder diameters from 6 mm up to and including 24 mm.