SAE AS 150501 thru AS 150800A

SAE AS 150501 thru AS 150800A Stud, Stepped, 1.5 Dia Engagement, Cadmium Plated, Steel UNS G87400, .2500-20 UNS X .1900-32 UNF-3A ( Reaffirmed: May 2005 )

standard by SAE International, 08/01/2006