1/2"-13 x 1/2" Hex Drive Cup Point Black Oxide or Plain Finish Alloy Steel Socket Set Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 0.500 INCHES NOMINAL HEAD DIAMETER: 0.437 INCHES NOMINAL THREAD QUANTITY PER INCH: 14.0 PART NAME ASSIGNED BY CONTROLLING AGENCY: MULTIPLE POINT SOCKET SET SCREWS SPECIAL FEATURES: DRIVE SIZE 0.25 INCHES;BLACK OXIDE FINISH;CUP POINT MATERIAL: STEEL FASTENER THREAD SERIES DESIGNATOR: UNJF