M18-1.5 DIN 934 Class 10 Steel Hex Nut / NUT STYLE: A12 HEXAGON NUT HEIGHT: 14.3 MILLIMETERS MINIMUM AND 15.0 MILLIMETERS MAXIMUM WIDTH ACROSS FLATS: 26.2 MILLIMETERS MINIMUM AND 27.0 MILLIMETERS MAXIMUM THREAD SERIES: M NOMINAL THREAD SIZE: 18.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.5 PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX NUT MATERIAL: STEEL OVERALL