SAE AS 3254B

SAE AS 3254B Bolt, Machine-Double Hexagon Extended Washer Head, Drilled, PD Shank, Silver Plated, CRES, UNS N07718, 185 KSI MIN, .4375-20 UNJF-3A ( Reaffirmed: Jun 2007 )

standard by SAE International, 07/01/2002