M14-2.0 x 50mm ISO 4762 Hex Drive Class 12.9 Black Oxide Finish Alloy Steel Socket Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 34.0 MILLIMETERS NOMINAL FASTENER LENGTH: 49.5 MILLIMETERS MINIMUM AND 50.5 MILLIMETERS MAXIMUM HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 13.6 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 20.8 MILLIMETERS MINIMUM AND 21.3 MILLIMETERS MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON NOMINAL THREAD DIAMETER: 14.0 MILLIMETERS WIDTH ACROSS FLATS: 12.0 MILLIMETERS MINIMUM AND 12.2 MILLIMETERS MAXIMUM THREAD PITCH IN MILLIMETERS: 2.0 EXTERNAL THREAD TOLERANCE CLASS: 5G6G PART NAME ASSIGNED BY CONTROLLING AGENCY: M14-2.0X50MM CL 12.9 DIN 912 PLAIN SOCKET HEAD CAP SCREW COLOR: BLACK OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL THREAD SERIES DESIGNATOR: M