BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, CORROSION AND HEAT RESISTANT STEEL, UNS S66286, 130 KSI MIN, .3125-24 UNJF-3A AS9576E – available for purchase at $49.00. Find the right standards and certifications for your needs with SAE.