Concrete screws
Stud screws/concrete screws, 7.5 x 70Steel, electro-galvanisedWith hardened surface to at least 62 HRCApproval Z-21.1-1503Drill diameter 6 mmSpanner size 10 mmThread connection M8 x 14 mmSignificant time saving: the concrete screw cuts a thread into the concrete with its serrated headUsable without a plugEasy disassembly possible; can, if necessary, be reused in the same drill hole
Concrete screws/hexagon head screws, 7.5 x 80Steel, electro-galvanisedwith a hardened surface of at least 62 HRCspanner size 13 mmhigh time savings; the concrete screw cuts a thread into the concrete with its serrated headusable without a plugeasy disassembly possible; may be reusable in the same drill holefor fastening installation rails