The fischer Hammerfix N-S M with countersunk head and connecting thread M 6 consists of a high-quality nylon plug and a zinc-plated nail screw. These are already pre-fitted for quick assembly. When driving in the nail screw, the fixing sleeve expands and anchors itself securely in the building material. The fischer Hammerfix N-S M with countersunk head and connecting thread is ideal for fixing cable and pipe clamps in all building materials in internal areas.