M6-1.0 x 30mm DIN 7991 Hex Drive Class 10.9 Zinc Finish Alloy Steel Flat Socket Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 30.0 MILLIMETERS NOMINAL FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL HEAD STYLE: C50 FLAT COUNTERSUNK HEAD DIAMETER: 11.6 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON NOMINAL THREAD DIAMETER: 6.0 MILLIMETERS WIDTH ACROSS FLATS: 4.0 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM THREAD PITCH IN MILLIMETERS: 1.0 EXTERNAL THREAD TOLERANCE CLASS: 6G COUNTERSINK ANGLE: 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM PART NAME ASSIGNED BY CONTROLLING AGENCY: SOCKET CAP SCREW SPECIAL FEATURES: MATERIAL CLAS 10.9 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M