1. System comprising a bone plate and screw (31) to the bone, and the bone plate is provided with a through hole (14) which extends from the top surface (15) of the bone plate to the bottom surface (16) located at the bones direction and wherein a through hole (14) formed edge (17) that protrudes from the curved surface (18) of the through hole (14) and extends in the circumferential direction of the through hole (14), and wherein the screw (31) to bone has a thread ( 30) on the head, which is intended to reshape the edges (17) in the through hole (14) to form the threaded connection, characterized in that the edge (17) has a shoulder (36) located between the curved surface (18) of the through hole ( 14) and central region (37) edge (17), which ledge (36) extends along the edge (17) .2. System according to Claim. 1, characterized in that the upper surface (19) is provided with a shoulder edge (36) .3. System according to Claim. 1, characterized in that the lower side (20) is provided with a shoulder edge (36) .4. System according to Claim. 1, characterized in that the edge (17) includes a peripheral region (35) which extends between the shoulder (36) and a curved surface (18) of the through hole (14) .5. System according to Claim. 1, characterized in that the gradient of the shoulder (36) is greater than 45 °, preferably greater than 60 °, more preferably greater than 75 ° .6. The system of claim. 1, characterized in that the distance (38) between the central end edge (17) and the central end of the ledge (36) is not greater than 50%, preferably not more than 30%, more preferably not more than 20% of the distance between a central end edge (17) and a curved surface (18) of the through hole (14) .7. according to claim system. 1-6, characterized in that the gradient1. Система, включающая пластину для кости и винт (31) для кости, причем пластина для кости снабжена сквозным отверстием (14), которое проходит от верхней поверхности (15) пластины для кости до ее нижней пов
