The XC Model Anti-Backlash assembly is the most advanced Anti-Backlash nut design. The unique patented† ActiveCAM™ accomplishes high axial stiffness, zero backlash and the absolute minimum drag torque. This advantage produces assemblies that cost less, perform better and last longer.The ActiveCAM™ automatically adjusts for wear insuring zero backlash for the life of the nut.SpecificationsSpecificationsValueDrag Torque1-3 oz-inEfficiency %81MaterialAcetalPreloadAnti-BacklashTemperature Max180 °FThread DirectionRHDimensionsDimensionValueDiameter, Nominal Screw12 mmNut Dia1.12 inNut Length2.25 intravel per shaft rev45 mmPerformancePerformanceValueDesign Load125 lbf