M4-0.7 x 8mm DIN 933 Class 8.8 Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 8.0 MILLIMETERS NOMINAL FASTENER LENGTH: 10.8 MILLIMETERS NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 2.8 MILLIMETERS NOMINAL WIDTH BETWEEN FLATS: 6.9 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: MASTIFF 3 NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 0.7 EXTERNAL THREAD TOLERANCE CLASS: 6G MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC ALLOY OVERALL THREAD SERIES DESIGNATOR: M