M8-1.25 x 30mm DIN 933 Class 8.8 Zinc Finish Hex Cap Screw / THREAD CLASS: 6G THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 30.0 MILLIMETERS NOMINAL FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 6115-01-611-8093 NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.25 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M