The screw set consists of hardened and galvanized chipboard screws with countersunk heads, which provide high stability and load-bearing capacity. It includes different sizes with TX20 and TX25 drive, each made of fully threaded steel. The screws are suitable for load-bearing wooden constructions and are supplied with matching screwdriver inserts. The usage class is 1, the hardness is between 300 and 750 HV 0.3. The set offers a versatile selection of screw lengths and diameters.