Hammer Fixings are light duty fixings which have a special thread lock design that prevents pre -expansion during transit installation and provides an option for faster fixing without screwdriver work. Both sizes are suitable for perimeter fixings for both partitions and ceilings. In addition to that, 8x45 mm is perfectly suitable with universal bracket in wall claddings. Field of Application: concrete C20/25 solid brick 15 MPa aerated concrete 600 MR Key facts Pre-assembled for easy handling Special thread lock design that prevents pre-expansion during transit Quick and fast installation by direct hammering into substrate Optional screw fixing and/or removal to allow easy dismantling where required.