BSI - BS 2470
Specification for Hexagon Socket Screws and Wrench Keys - Inch Series
|Publication Date:||15 June 1973|
|ICS Code (Bolts, screws, studs):||21.060.10|
Specifies dimensions, tolerances and general requirements for cap screws, countersunk-head screws, button-head screws and shoulder screws (stripper bolts) and set screws, also their mechanical properties and nominal length increments. Dimensions and requirements for wrench keys are also given.