a nut and screw set for reducing the amount of hindered motion therebetween is disclosed . the nut and screw set includes a screw and a nut . the screw includes a plurality of screw threads . the nut includes a plurality of nut threads . the nut threads are threadably engagable with the screw threads . the nut threads are sized reduce hindered motion between the screw and the nut as a result of thermal expansion of the screw and the nut .