#6-32 x 3/8" ASTM F879 Hex Drive Grade 18-8 Stainless Steel Flat Socket Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.278 INCHES NOMINAL FASTENER LENGTH: 0.375 INCHES NOMINAL HEAD STYLE: C50 FLAT COUNTERSUNK HEAD DIAMETER: 0.263 INCHES MINIMUM AND 0.307 INCHES MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: TRACKING SYSTEM,ELECTRO-OPTICAL NOMINAL THREAD DIAMETER: 0.138 INCHES WIDTH ACROSS FLATS: 0.0781 INCHES MINIMUM AND 0.0791 INCHES MAXIMUM THREAD QUANTITY PER INCH: 32 COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW,CAP,SOCKET HEAD MATERIAL: STEEL OVERALL THREAD SERIES DESIGNATOR: UNC