M3-0.5 x 8mm ISO 4762/DIN 912 Hex Drive Class 8.8 Zinc Finish Steel Socket Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 8.0 MILLIMETERS NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 2.8 MILLIMETERS MINIMUM AND 3.0 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 5.3 MILLIMETERS MINIMUM AND 5.6 MILLIMETERS MAXIMUM NOMINAL THREAD DIAMETER: 3.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 0.5 EXTERNAL THREAD TOLERANCE CLASS: 6G PART NAME ASSIGNED BY CONTROLLING AGENCY: SOCKET HEAD CAP SCREW SPECIAL FEATURES: MATERIAL CLASS 8.8 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M