Standard BOLT, MACHINE - HEXAGON HEAD, PD SHANK, CORROSION AND HEAT RESISTANT STEEL UNS S66286, .5000-20 UNJF-3A 2024-04-10 CURRENT AS3104B
Standard BOLT, MACHINE - HEXAGON HEAD, PD SHANK, CRES AMS5731, .5000-20 UNJF-3A 2018-11-21 HISTORICAL AS3104A
Standard BOLT, MACHINE - HEXAGON HEAD, PD SHANK, CRES AMS 5731, .500-20 UNJF-3A 2006-05-02 HISTORICAL AS3104