CASE ÉCROUS DE SÉCURITÉ (Lock Nut)

Hexagon Lock Nut (Nyloc) M12 x 1.75. A metallic, hexagonal nut featuring a non-metallic (typically nylon) insert at the thread's end. This insert provides resistance against vibration, preventing the nut from loosening. Specifications: Metric Thread M12, Pitch 1.75 mm, Class 8.