Metric K-Lock nuts, Zinc plated class 8.8 steel, 3mm
Nut size (A.K.A. diameter) is the size bolt that the nut is used with. The same is true of the thread pitch. Thus a 6mm x 1.0 nut fits a 6mm x 1.0 bolt.
Nut size (A.K.A. diameter) is the size bolt that the nut is used with. The same is true of the thread pitch. Thus a 6mm x 1.0 nut fits a 6mm x 1.0 bolt.