... positioning to 0.002 in/ft 2,have less drag torque and last longer 3,automatically adjust wear nut WFTS 2500 ... Patentedf CN-SCREW accom¬plishes high axial stiffness, zero back¬lash and the absolute minimum drag torque. This advantage produces assemblies that ... .063 WFTS _25160.250XC_4-25160.500XC_7-2514We produce , trapezoidal screws, high-speed screw, long screw, micro screw shape, spline shaft, worm ...