A hand-held power tool, comprising: a motor output shaft ; a tool driver ; a first and a second locking disc ; a thrust member ; and a torque-limiting unit with which a maximum torque transferred from said motor output shaft to said tool driver is adjustable by an operator, said torque-limiting unit including a spring system , said spring system including spring elements ; wherein said spring system is held by said second locking disc and each spring element of the spring system is held between a pin of the second locking disc and a pin of said thrust member , wherein the first locking disc is connected with the second locking disc via cams , wherein said cams are built on each of said locking discs , wherein if a torque applied to the tool driver reaches a selected maximum torque level, the second locking disc is deflected against the spring system by beveled flanks of said cams , and the first locking disc can rotate against the second locking disc ; wherein the spring elements are disposed between the second locking disc and said thrust member ; characterised in that said spring system comprise substantially similar spring elements generating different spring forces; wherein the second locking disc has different surfaces that contact the spring elements at the different surfaces being different levels; wherein the thrust member has different surfaces that contact the spring elements at the different surfaces being different levels; wherein the distance between the surfaces on the second locking disc and the surfaces on the thrust member vary: wherein the spring elements are disposed between the different surfaces of the second locking disc and the different surfaces of the thrust member so that a spring element disposed between certain surfaces has an effective length that is shorter than a spring element disposed between other surfaces . a motor output shaft ; a tool driver ; a first and a second locking disc ; a thrust member ; and a torque-limiting unit with which a maximum torque transferred from said motor output shaft to said tool driver is adjustable by an operator, said torque-limiting unit including a spring system , said spring system including spring elements ; wherein said spring system is held by said second locking disc and each spring element of the spring system is held between a pin of the second locking disc and a pin of said thrust member , wherein the first locking disc is connected with the second locking disc via cams , wherein said cams are built on each of said locking discs , wherein if a torque applied to the tool driver reaches a selected maximum torque level, the second locking disc is deflected against the spring system by beveled flanks of said cams , and the first locking disc can rotate against the second locking disc ; wherein the spring elements are disposed between the second locking disc and said thrust member ; characterised in that said spring system comprise substantially similar spring elements generating different spring forces; wherein the second locking disc has different surfaces that contact the spring elements at the different surfaces being different levels; wherein the thrust member has different surfaces that contact the spring elements at the different surfaces being different levels; wherein the distance between the surfaces on the second locking disc and the surfaces on the thrust member vary: wherein the spring elements are disposed between the different surfaces of the second locking disc and the different surfaces of the thrust member so that a spring element disposed between certain surfaces has an effective length that is shorter than a spring element disposed between other surfaces . <EOS>