Tension clamp and a method of clamping with the tension clamp. The tension clamp includes a clamping band formed in an annular manner with two ends adjacent to one another, and a clamping fixture, structured and arranged to connect the two ends to one another, comprising a tightening screw with a screw head and a mounting section and a mating thread element into which the tightening screw is screwable. The mounting section includes at least one flexible region along its length.