#8-32 x 5/8" ASTM F879 Hex Drive Grade 18-8 Stainless Steel Flat Socket Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.513 INCHES NOMINAL FASTENER LENGTH: 0.625 INCHES NOMINAL HEAD STYLE: C50 FLAT COUNTERSUNK HEAD DIAMETER: 0.359 INCHES NOMINAL INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: 5410-01-592-9463 NOMINAL THREAD DIAMETER: 0.164 INCHES WIDTH ACROSS FLATS: 0.094 INCHES NOMINAL THREAD QUANTITY PER INCH: 32 COUNTERSINK ANGLE: 82.0 DEGREES NOMINAL PART NAME ASSIGNED BY CONTROLLING AGENCY: FLAT SOCKET HEAD CAP SCREW MATERIAL: STEEL COMP 302 OVERALL THREAD SERIES DESIGNATOR: UNC