Trapezoidal threaded nut ESKM 12X3 right steel, hexagonal SW19L18 Features: thread: 12x3 right Key width: 19mm (SW) Length: 18mm (L) material:. 11SMnPb37 Manufactured to ISO 2901/2903 and DIN 103 tolerance 7H Application:.... - For manual applications - For small speeds - For clamping functions - For static loads For use with motor drives is not recommended due to the material combination steel / steel. the trapezoidal screw nut is a quality product from the European market leader. Other sizes and materials can be found in the shop!