Full Description
BS 4A 169:2002+A2:2019 specifies materials and manufacture, dimensions, protective treatment andquality assurance requirements for aluminium-alloy hexagon-head bolts with unified threads.
Cross References:BS 4A 100:2003
SAE AMS03-25
BS EN 2284
BS L 168
BS 3A 169
Incorporates the following:Amendment, February 2019