3/8"-16 x 3/4" ASTM F835 Hex Drive Black Oxide Finish Alloy Steel Flat Socket Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 0.750 INCHES NOMINAL HEAD DIAMETER: 0.375 INCHES NOMINAL NOMINAL THREAD DIAMETER: 16.0 INCHES PART NAME ASSIGNED BY CONTROLLING AGENCY: FLAT HEAD SOCKET CAP SCREW SPECIAL FEATURES: SCREW DRIVE 0.218;FNL SURFACE TREATMENT: BLACK CHEMICAL FINISH FASTENER THREAD SERIES DESIGNATOR: UNC NONDEFINITIVE SPEC/STD DATA: 8 GRADE