M8-1.25 x 30mm DIN 933 Class 8.8 Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 16.0 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: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MINIMUM TENSILE STRENGTH: 1160000 POUNDS PER SQUARE INCH HARDNESS RATING: 22.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM SPECIAL FEATURES: GRADE 8 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: ISO M