3/8"-16 x 5-1/2" ASTM F593 18-8 Stainless Steel Hex Cap Screw / NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: A16 PART NAME ASSIGNED BY CONTROLLING AGENCY: STAINLESS STEEL HEX CAP SCREW SPECIAL FEATURES: DIAMETER-THREAD SIZE 3/8"-16;GRADE 18-8;LENGTH 5-1/2";STAINLESS STEEL;ROHS;ASTM F593;COURSE THREAD;PARTIAL THREAD;WRENCH SIZE 9/16";PRODUCT WEIGHT 0.364 POUNDS MATERIAL: STEEL CORROSION RESISTING OVERALL