THK Lead Screw Nut models DCM and DC are manufactured to meet the standards for the 30 degrees trapezoidal screw threads. The high strength zinc alloy used in the lead screw nuts is a material that is highly resistant to seizure and the wear, and has a high load carrying capacity. They have a precision male thread, formed through die casting as the core. As a result, these bearings achieve less unevenness and higher accuracy and wear resistance than the machined lead screw nuts. For the screw shafts to be used with this product, the rolled shafts are available as the standard
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