Hammer Fix: Simplifying installations with pre-assembled ease! Featuring a special thread lock design to prevent pre-expansion during transit, these screws offer quick and fast installation by direct hammering into the substrate. Designed for easy dismantling where required, they provide optional screw fixing and removal. Suitable for various base materials, including cracked and uncracked concrete, natural stone, and solid block, Hammer Fix ensures versatility in applications. The zinc-coated corrosion-resistant nail and screw engaged in a nylon plug make it the ideal choice for fixing MF Ceiling perimeters and head/floor channels in Drywall Partition Systems into masonry, where fire resistance is not required.