#8-32 x 1/2" ASTM F837 Hex Drive Grade 18-8 Stainless Steel Socket Cap Screw / THREAD DIRECTION: RIGHT-HAND HEAD STYLE: C66 KNURLED NO. 1 HEAD INSIDE DIAMETER: 0.140 INCHES NOMINAL INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: 2320-01-531-2701;TRUCK,UTILITY-INTERNALLY TRANSPORTABLE NOMINAL THREAD DIAMETER: 0.164 INCHES THREAD QUANTITY PER INCH: P32.0 PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW,SOCKET CAP SPECIAL FEATURES: GRADE: 18-8 MATERIAL: STEEL CORROSION RESISTING OVERALL THREAD SERIES DESIGNATOR: UNC