A device for producing plastics parts having at least one rod-shaped metal insert, and comprising first and second mould half elements. At least one of the mould half elements is movable along a closure direction (Z). The mould half elements together can form a closed cavity for moulding a plastics part, the insert projecting at least in portions into the cavity in order to be overmoulded with plastics material, and being substantially arranged between the two mould half elements in a dividing plane which comprises a longitudinal direction (X) and a width direction (Y). At least one of the mould half elements has at least one fixing means wherein the insert can be fixed in the width direction. A positioning means can be arranged at a proximal end of the insert, allowing the insert to be moved along the longitudinal direction (X) into an injection position.