M12-1.75 DIN 980 Class 10 Zinc Finish Steel Top Lock Nut / NUT STYLE: A12 HEXAGON NUT HEIGHT: 12.0 MILLIMETERS NOMINAL WIDTH ACROSS FLATS: 19.0 MILLIMETERS NOMINAL NOMINAL THREAD SIZE: 12.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.75 SPECIAL FEATURES: M12-1.75 DIN 980 CLASS 10 ZINC PLATED TOP LOCK NUT MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL