M8-1.25 x 25mm DIN 6921S Zinc Finish Class 8.8 Steel Hex Serrated Flange Bolt / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND HEAD STYLE: C7 HEXAGON EXTENDED WASHER WIDTH BETWEEN FLATS: 13.0 MILLIMETERS NOMINAL NOMINAL THREAD DIAMETER: 1.25 MILLIMETERS PART NAME ASSIGNED BY CONTROLLING AGENCY: BOLT,MACHINE MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M