Hammer-in. Expanding the applications of traditional cable ties, this wide range of bases allows you to attach cable ties to any surface. Manufactured from self-extinguishing and halogen-free plastic. Available in colors: natural N (polyamide 6) for indoor use, and UV black (modified polyamide 6 - with increased UV resistance) for outdoor use. Key features: free from halogen, phosphorus, and cadmium compounds. Self-extinguishing. Multiple mounting options (adhesive, press-in, hammer-in, screw-in). PMW Hammer-in Bases. Hammer-in into a hole. The PMW base is hammered into a drilled hole with an 8 mm diameter and approximately 40 mm deep. PMW bases can be used for securing cables to solid walls (concrete, brick). Mounting hole diameter: 8-9 mm. Hole depth: 40 mm.