M18-2.5 x 75mm DIN 933 Class 8.8 Zinc Finish Hex Cap Screw / THREAD CLASS: 6G THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 75.0 MILLIMETERS NOMINAL FASTENER LENGTH: 75.0 MILLIMETERS NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 11.28 MILLIMETERS MINIMUM AND 11.72 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 26.67 MILLIMETERS MINIMUM AND 27.00 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 2355-22-622-7966 NOMINAL THREAD DIAMETER: 18.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 2.5 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M