Screw made with a special rose that allows it to be threaded directly into concrete, without the need for a plug.

For its installation, a simple Ø 5.5 mm hole drilled directly into the concrete is enough. Available in two types of female nut, M-6 and M-8.

Supplied in a container box with 100 units. Inside each box of 100 units a Ø 5.5 mm SDS Plus drill is supplied free of charge. 100 Kg tensile strength.

Ideal for the placement of threaded rods to the ceiling.