M8-1.25 x 30mm DIN 931 A2-70 Stainless Steel Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.250 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 5.15 MILLIMETERS MINIMUM AND 5.45 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 13.0 MILLIMETERS NOMINAL NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MATERIAL: STEEL CORROSION RESISTING OVERALL THREAD SERIES DESIGNATOR: M