M16 x 1.5 Steel Class 10 DIN 934 Hex Nut / NUT STYLE: A12 HEXAGON NUT HEIGHT: 12.3 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM WIDTH ACROSS FLATS: 23.7 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM THREAD SERIES: M NOMINAL THREAD SIZE: 16.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.5 PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX NUT MATERIAL: STEEL OVERALL