SCREW, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, CORROSION AND HEAT RESISTANT STEEL, UNS S66286, 130 KSI MIN, .1380-40 UNJF-3A AS9572A – available for purchase at $41.00. Find the right standards and certifications for your needs with SAE.