Trapezoidal threaded nut EKSM 20X4 right steel D45L30, round Features:. thread: 20x4 right Durchmessser: 45mm (D) Length: 30mm (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!