M8-1.25, Hex Head Cap Screw, 30 mm Fastener Length, Class 10.9 Steel, PK 100/ THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 30.0 MILLIMETERS NOMINAL FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 5.3 MILLIMETERS NOMINAL WIDTH BETWEEN FLATS: 13.0 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: 3930-01-522-7364 NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.25 EXTERNAL THREAD TOLERANCE CLASS: 6G MATERIAL: STEEL OVERALL THREAD SERIES DESIGNATOR: M